Afifi, M. K., & Alamri, S. S. (2014). Effective principles in designing E-course in light of learning theories. Turkish Online Journal of Distance Education, 15(1), 128–142. https://doi.org/10.17718/tojde.43806
Akdemir, O., & Koszalka, T. A. (2008). Investigating the relationships among instructional strategies and learning styles in online environments. Computers & Education, 50(4), 1451–1461. https://doi.org/10.1016/j.compedu.2007.01.004
Akdeniz, C. (2016). Instructional process and concepts in theory and practice: Improving the teaching process. Springer. https://doi.org/10.1007/978-981-10-2519-8
Al-Obaydi, L. H., Shakki, F., Tawafak, R. M., Pikhart, M., & Ugla, R. L. (2023). What I know, what I want to know, what I learned: Activating EFL college students' cognitive, behavioral, and emotional engagement through structured feedback in an online environment. Frontiers in Psychology, 13, 1083673. https://doi.org/10.3389/fpsyg.2022.1083673
Alakrash, H. M., & Razak, N. A. (2022). Education and the fourth industrial revolution: Lessons from COVID-19. Computers, Materials & Continua, 70(1), 951–962. https://doi.org/10.32604/cmc.2022.014288
Alfallah, F. M., Puspita, H., & Lubis, A. A. (2023). Exploring teachers' techniques in teaching speaking. Journal of English Education and Teaching, 7(1), 33–43. https://ejournal.unib.ac.id/JEET/article/view/18604
Anjaniputra, A. G. (2013). Teachers’ strategies in teaching speaking to students at secondary level. Journal of English and Education, 1(2), 1–8. https://journal.unigha.ac.id/index.php/EE/article/view/270
Apriyanti, D., & Ayu, M. (2020). Think-pair-share: Engaging students in speaking activities in the classroom. Journal of English Language Teaching and Learning, 1(1), 13–19. https://doi.org/10.33365/jeltl.v1i1.246
Arsaf, A. S. (2020). Teaching English in industrial revolution 4.0: Challenges and opportunities. [Undergraduate thesis, UIN Ar-Raniry]. https://repository.ar-raniry.ac.id/id/eprint/13338
Black, G. (2002). A comparison of traditional, online, and hybrid methods of course delivery. Journal of Business Administration Online. https://www.atu.edu/business/jbao/spring2002/black.pdf
Celce-Murcia, M. (2001). Teaching English as a second or foreign language (3rd ed.). Heinle & Heinle.
Chowdhury, A. Z., & Zannat, M. M. (2021). Barriers to teaching English productive skills in online classrooms: A study at private universities in Bangladesh. International Journal of Linguistics, Literature and Translation, 4(12), 164–171. https://doi.org/10.32996/ijllt.2021.4.12.19
Colombo, M. (2011). Teaching English language learners: 43 strategies for successful K–8 classrooms. Sage. https://doi.org/10.4135/9781452243924
Creswell, J. W. (2015). Educational research: Planning, conducting, and evaluating quantitative and qualitative research (5th ed.). Pearson.
Derakhshan, A., & Shakki, F. (2024). Opportunities and challenges of implementing online English courses in Iranian public and private schools. Journal of Research in Applied Linguistics, 15(1), 17–31. https://doi.org/10.22055/RALS.2023.44418.3111
Elayyan, S. (2021). The future of education according to the fourth industrial revolution. Journal of Educational Technology and Online Learning, 4(1), 23–30. https://doi.org/10.31681/jetol.737193
George, S. V., Richardson, P. W., & Watt, H. M. (2018). Early career teachers’ self-efficacy: A longitudinal study from Australia. Australian Journal of Education, 62(2), 217–233. https://doi.org/10.1177/0004944118779601
Golkova, D., & Hubackova, S. (2014). Productive skills in second language learning. Procedia – Social and Behavioral Sciences, 143, 477–481. https://doi.org/10.1016/j.sbspro.2014.07.520
Graham, S., & Perin, D. (2007). Writing next: Effective strategies to improve writing of adolescents in middle and high schools. Carnegie Corporation of New York. https://media.carnegie.org/filer_public/3c/f5/3cf58727-34f4-4140-a014-723a00ac56f7/ccny_report_2007_writing.pdf
Hakim, M. A. R. (2017). Teachers' strategies in teaching speaking lessons on introvert students in Madrasah Aliyah (MA) JA Alhaq Bengkulu. Madania: Jurnal Kajian Keislaman, 21(1), 23–30. https://doi.org/10.29300/madania.v21i1.229
Hirumi, A. (2013). Three levels of planned e-learning interactions: A framework for grounding research and the design of e-learning programs. Quarterly Review of Distance Education, 14(1), 1–16. https://pressbooks.online.ucf.edu/app/uploads/sites/153/2020/08/QRDE_2013_eLrnFrameUpdate_Hirumi.pdf
Hrastinski, S. (2008). Asynchronous and synchronous e-learning. EDUCAUSE Quarterly, 31(4), 51–55. https://er.educause.edu/-/media/files/article-downloads/eqm0848.pdf
Hsieh, P.-H. (2010). Globally-perceived experiences of online instructors: A preliminary exploration. Computers & Education, 54(1), 27–36. https://doi.org/10.1016/j.compedu.2009.07.007
Jurianto, J., Salimah, S., & Kwary, D. A. (2015). Strategies for teaching writing in EFL class at a senior high school in Indonesia. Celt: A Journal of Culture, English Language Teaching & Literature, 15(1), 43–53. https://doi.org/10.24167/celt.v15i1.413
Kuama, S. (2016). Is online learning suitable for all English language students? PASAA: Journal of Language Teaching and Learning in Thailand, 52, 53–82. https://doi.org/10.58837/CHULA.PASAA.52.1.3
Kurniasih, K., Cahyono, B. Y., Astuti, U. P., & Suryati, N. (2023). Online writing class: EFL university students’ perception of teachers’ strategies in alleviating their writing anxiety. Computer-Assisted Language Learning Electronic Journal, 42(1), 1–24. https://old.callej.org/journal/24-1/Kurniasih-Cahyono-Astuti-Suryat2023.pdf
Lubis, F. F. (2021). Teacher’s strategies in teaching writing descriptive text at senior high school. [Undergraduate thesis, Universitas Negeri Medan]. http://digilib.unimed.ac.id/id/eprint/45812
Luyt, I. (2013). Bridging spaces: Cross-cultural perspectives on promoting positive online learning experiences. Journal of Educational Technology Systems, 42(1), 3–20. https://doi.org/10.2190/ET.42.1.b
Mai, N. K., & Khac, T. A. T. (2021). Teaching during the COVID-19 crisis as reflected and shared on Facebook. VNU Journal of Foreign Studies, 37(6), 48–62. https://doi.org/10.25073/2525-2445/vnufs.4780
Maulidar, K., Gani, S. A., & Samad, I. A. (2019). Teachers’ strategies in teaching speaking for cadets. English Education Journal, 10(1), 80–94. https://jurnal.usk.ac.id/EEJ/article/view/13258
McDonough, J., Shaw, C., & Masuhara, H. (2013). Materials and methods in ELT: A teacher's guide (3rd ed.). John Wiley & Sons.
Mishra, L., Gupta, T., & Shree, A. (2020). Online teaching–learning in higher education during the COVID-19 pandemic. International Journal of Educational Research Open, 1, 100012. https://doi.org/10.1016/j.ijedro.2020.100012
Ministry of Education and Training. (2021). Thông tư 08/2021/TT-BGDĐT ban hành Quy chế đào tạo trình độ đại học [Circular 08/2021/TT-BGDDT promulgating Regulations on university level training]. Government of Vietnam.
Moore, J. L., Dickson-Deane, C., & Galyen, K. (2011). E-learning, online learning, and distance learning environments: Are they the same? The Internet and Higher Education, 14(2), 129–135. https://doi.org/10.1016/j.iheduc.2010.10.001
Morata-Garrido, N., José Luis, O.-M., & González-Valero, G. (2023). Development of EFL teachers’ digital competence in the adoption of blended learning. Language Related Research, 14(5), 1–25. https://doi.org/10.48311/lrr.14.5.1
Mulyanti, S., & Nadrun, N. (2021). Teachers’ strategies in teaching speaking at high school. Journal of Foreign Language and Educational Research, 4(2), 1–11. https://doi.org/10.31934/jofler.v4i2.1673
Munir, M. (2022). An analysis of teacher strategies in teaching writing skills in pandemic era (learn from home). Performance: Journal of English Education and Literature, 1(1), 74–80. http://eprints.unm.ac.id/id/eprint/29743
Nayman, H., & Bavlı, B. (2022). Online teaching of productive language skills (PLS) during emergency remote teaching (ERT) in EFL classrooms: A phenomenological inquiry. International Journal of Education and Literacy Studies, 10(1), 179–187. https://doi.org/10.7575/aiac.ijels.v.10n.1p.179
Nurbaktiah, A., Sabaruddin, S., & Sofyan, D. (2021). An analysis of teachers’ strategies in teaching speaking. Jadila: Journal of Development and Innovation in Language and Literature Education, 1(3), 284–301. https://doi.org/10.52690/jadila.v1i3.115
Purwaningsih, N. I., Wijayanto, A., & Ngadiso, N. (2019). Strategies of teaching speaking in English to Desa Bahasa Sragen’s students. TLEMC: Teaching and Learning English in Multicultural Contexts, 3(2), 81–87. https://jurnal.unsil.ac.id/index.php/tlemc/article/view/1271
Redmond, P. (2011). From face-to-face teaching to online teaching: Pedagogical transitions. In Proceedings of the 28th ASCILITE Conference (pp. 1050–1060). ASCILITE.
Richards, J. C. (2006). Communicative language teaching today. Cambridge University Press.
Richards, J. C., & Rodgers, T. S. (2001). Approaches and methods in language teaching (2nd ed.). Cambridge University Press. https://doi.org/10.1017/CBO9780511667305
Siahpoosh, H., & Mahdavi, Z. (2024). The effect of virtual interactions in pairs and groups on the development of speaking ability of Iranian EFL learners. International Journal of Research in English Education, 9(1), 84–101. http://ijreeonline.com/article-1-831-en.html
Syafrizal, S., & Rohmawati, C. (2017). Teachers’ speaking strategies at vocational high school. Journal of English Language Studies, 2(1), 66–83. https://doi.org/10.30870/jels.v2i1.1594
Tallent-Runnels, M. K., Thomas, J. A., Lan, W. Y., Cooper, S., Ahern, T. C., Shaw, S. M., & Liu, X. (2006). Teaching courses online: A review of the research. Review of Educational Research, 76(1), 93–135. https://doi.org/10.3102/00346543076001093
Thai, N. T. T., De Wever, B., & Valcke, M. (2020). Face-to-face, blended, flipped, or online learning environment? Impact on learning performance and student cognitions. Journal of Computer Assisted Learning, 36(3), 397–411. https://doi.org/10.1111/jcal.12423
Tschannen-Moran, M., & Hoy, A. W. (2001). Teacher efficacy: Capturing an elusive construct. Teaching and Teacher Education, 17(7), 783–805. https://doi.org/10.1016/S0742-051X(01)00036-1
Vu, T. B. H. (2023). Teaching English speaking skills: An investigation into Vietnamese EFL teachers’ beliefs and practices. Issues in Educational Research, 33(1), 428–450. http://www.iier.org.au/iier33/vu.pdf
Wang, X. (2023). A conceptual review on EFL teachers' motivation and engagement in flipped classrooms: A social networking platform. Language Related Research, 14(3), 239–264. http://lrr.modares.ac.ir/article-14-67140-fa.html
Wuensch, K. L., Aziz, S., Ozan, E., Kishore, M., & Tabrizi, M. (2008). Pedagogical characteristics of online and face-to-face classes. International Journal on E-Learning, 7(3), 523–532. https://www.learntechlib.org/primary/p/24201
Zekri, W., & El Moussaoui, A. (2024). Algerian teachers’ motivation and self-efficacy towards online teaching. Electronic Journal of Foreign Language Teaching, 21(1), 55–73. https://doi.org/10.56040/wzam2114