Abello-Contesse, C. (2009). Age and critical period hypothesis. ELT Journal, 63(2), 170-172. https://doi.org/10.1093/elt/ccn072
Alexiou, T. (2015). Vocabulary uptake from Peppa Pig: A case study of preschool EFL learners in Greece. In C. Gitsaki, & T. Alexiou (Eds.), Current issues in second/foreign language teaching and teacher education: Research and practice (pp. 285–301). Cambridge Scholars Publishing.
Al-Moghani, M. (2003). Students’ perceptions of motivation in English language learning in Libya. [Unpublished doctoral thesis]. Durham University.
Aminifard, Y., & Mehrpour, S. (2019). Mother tongue use in young Iranian EFL learners’ classroom: Helpful scaffold or debilitating crutch? The Reading Matrix: An International Online Journal, 19(2), 77-85.
Baker, C. (2007). A parents’ and teachers’ guide to bilingualism. Multilingual Matters.
Bekiri, R. (2003). Playing with questions-A game for young learners. The Internet TESL Journal, 1(8), 25-31.
Bland, J. (2016). English language education and ideological issues: Picture books and diversity. Children’s Literature in English Language Education, 4(2), 41-64.
Bowers, E., & Vasilyeva, M. (2011). The relation between teacher input and lexical growth of preschoolers. Applied Psycholinguistics, 32(1), 221-241. https://doi.org/ 10.1017/S0142716410000354
Cameron, L. (2001). Teaching languages to young learners. Cambridge University Press.
Cameron, L. (2003). Challenges for ELT from the expansion in teaching children. ELT Journal, 57(2), 105-112. https://doi.org/10.1093/elt/57.2.105
Carter, R., & Mc Carthy, M. (2014). Vocabulary and Language Teaching. Routledge.
Chou, M. (2014). Assessing English vocabulary and enhancing young English as a Foreign Language (EFL) learners’ motivation through games, songs, and stories. Education 3-13: International Journal of Primary, Elementary and Early Years Education, 42(3), 284-297. https://doi.org/10.1080/03004279.2012.680899
Coyle, Y., & Gómez Gracia, R. (2014). Using Songs to Enhance L2 Vocabulary Acquisition in Preschool Children. ELT Journal, 68(3), 276–285. https://doi.org/doi:10.1093/elt/ccu015
Crain, W. (2005). Theories of development: Concepts and Applications. Pearson.
Collins, M. F. (2010). ELL preschoolers’ English vocabulary acquisition from storybook reading. Early Childhood Research Quarterly, 25(1), 84–97. https://doi.org/10.1016/j.ecresq.2009.07.009
Cruz-Ferreira, M. (2006). Three is a crowd? Acquiring Portuguese in a trilingual environment. Multilingual Matters.
Davis, G. M. (2017). Songs in the young learner classroom: a critical review of evidence. ELT Journal, 71(4), 445-455. https://doi.org/10.1093/elt/ccw097
Denscombe, M. (2010). Ground rules for social research: Guidelines for good practice (2nd ed.). Open University Press.
Deesri, A. (2002). Games in the ESL and EFL class. The Internet TESL Journal, 9(9). Retrieved on January 1, 2012 from http://iteslj.org/Techniques/Deesri-Games.html.
Dominguez, R. & Pessoa, S. (2005). Early vs. late start in foreign language education: Documenting achievements. Foreign Language Annals, 38(4), 473-480.
https://doi.org/10.1111/j.1944-9720.2005.tb02514.x
Dunn, L.M., & Dunn, L.M. (1997). Peabody picture vocabulary test (3rd ed.). American Guidance Service.
Ellis, G. (2018). The picture book in elementary ELT: Multiple literacies with Bob Staake’s Bluebird. In J. Bland (Ed.), Using literature in English language education: Challenging reading for 8–18 year olds (pp. 83-104). Bloomsbury Academic.
Ellis, R. (2008). The study of second language acquisition. Oxford University Press.
Emery, H. (2012). A global study of primary English teachers’ qualifications, training and career development. ELT Research Papers. 12-08. British Council.
Enever, J. (2011). ELLiE. Early language learning in Europe. The British Council.
Enever, J. (2018). Policy and politics in global primary English. Oxford University Press.
Enever, J., & Moon, J. (2009). New global contexts for teaching primary ELT: Change and challenge. In J. Enever, J. Moon, & U. Raman (Eds.), Young learner English language policy and implementation: International perspectives (pp. 5–21). Garnet Education.
Ersöz, A. (2007). Teaching English to young learners. EDM Publishing.
Eyres, I. (2007). English for primary and early years. Sage Publication.
Garcia, O., & Wei, L. (2014). Translanguaging: Language, bilingualism and education.
Palgrave Macmillan.
Gunn, C., & McCallum, A. (2005). Climbing grammar mountain: An interactive learning experience. English Teaching Forum, 43(4), 38-41.
Hymes. D. (1971). On communicative competence. University of Pennsylvania press.
Joyce, M. (2011). Vocabulary acquisition with kindergarten children using song picture book [Doctoral dissertation]. Norttheastern University.
Kinzie, M. B., & Joseph, D. R. D. (2008). Gender differences in game activity preferences of middle school children: Implications for educational game design. Educational Technology, Research, and Development, 5(6), 643-663.https://doi.org/ 10.1007/s11423-007-9076-2
Krashen, S. D. (1982). Principles and Practice in Second Language Acquisition. Pergamon.
Lanza, E. (2004). Language mixing in infant bilingualism A sociolinguistic perspective.
Oxford University Press.
Lenneberg, E. (1967). Biological foundations of language. Wiley.
Leśniewska, J., & Pichette, F. (2014). Songs vs. stories: impact of input sources on ESL vocabulary acquisition by preliterate children. International Journal of Bilingual Education and Bilingualism, 19(1), 18-34. https://doi.org/ 10.1080/13670050.2014.960360
Lightbown, P., & Spada, N. (1999). How languages are learned. Oxford University Press.
Lillard, A. S. (2007). Montessori: The science behind the genius. Oxford University Press.
Lin, L. C. (2014). Learning word meanings from teachers’ repeated story read-aloud in EFL primary classrooms. English Language Teaching, 7(7), 68-81. https://doi.org/10.5539/elt.v7n7p68
Linse, C. T. (2005). Practical English language teaching: Young learners. McGraw-Hill.
Lugo-Neris, M., Wood Jackson, C., & Goldstein, H. (2010). Facilitating vocabulary acquisition of young English language learners. Language, Speech, and Hearing Services in Schools, 41(3), 314–327.
McCallum, G. P. (1980). 101 word games: For students of English as a second or foreign language. Oxford University Press.
Moon, J. (2000). Children learning English. Macmillan Heinemann.
Muñoz, C., & Spada, N. (2019). Foreign language learning from early childhood to young adulthood. In A. De Houwer & L. Ortega (Eds.), The Cambridge handbook of bilingualism (pp. 233-249). Cambridge University Press.
NAEYC. (2009). Developmentally appropriate practice in early childhood programs serving children from birth through age 8. National Association for the Education of Young Children.
Nedomová, A. (2007). Teaching grammar to young learners. [Unpublished master thesis] Masaryk University.
Nikolov, M. (2009). Early learning of modern foreign languages: Processes and outcomes. Multilingual Matters.
Nikolov, M., & Mihaljevic Djigunovic, J. (2011). All shades and every color: An overview of early teaching and learning of foreign languages. Annual Review of Applied Linguistics, 31(2011), 95–119. https://doi.org/10.1017/S0267190511000183
Penfield, W., & Roberts, L. (1959). Speech and brain-mechanisms. Princeton University Press.
Pinter, A. (2006). Teaching young language learners. Oxford University Press.
Ragatz, C. M. (2015). Playing vocabulary games and learning academic language with gifted elementary students [Doctoral dissertation]. Arizona State University.
Rashtchi, M., & Keyvanfar, A. (2001). The role of play in children’s cognitive and language development. Language and Literature, 14 (3), 13-35.
Reilly, V., & Ward, S. M. (1997). Very young learners. Oxford University Press.
Rice, M. L., & Woodsmall, L. (1988). Lessons from television: Children’s word learning when viewing. Child Development, 59(2), 420–429.
Rich, S. (2018). Early language learning teacher education. In S. Garton & F. Copland (Eds.), Routledge handbook of teaching English to young learners (pp. 44-59).Routledge.
Rixon, S. (2017). The role of early language learning teacher education in turning policy into practice. In E. Wilden & R. Porsch (Eds.), The professional development of primary EFL teachers: National and international research (pp. 79-94). Waxmann.
Scheffler, P., & Domińska, A. (2018). Own-language use in teaching English to preschool children. ELT Journal, 72(4), 374–383, https://doi.org/10.1093/elt/ccy013
Scott, W. A., & Ytreberg, L. H. (1990). Teaching English to children. Longman.
Shin, J. K., & Crandall, J. A. (2011). A survey of English young learner programs, policies, and teachers. [Unpublished MS].
Slatterly, M., & Willis, J. (2001). English for primary teachers: A handbook of activities and classroom language. Oxford University Press.
Tavil, Z. M., & Sӧylemez, A. S. (2008). Vocabulary teaching through storytelling to very young learners in kindergartens. Ekev Academic Review, 12(35), 371- 382.
Tavil, Z. M., & Işisağ, K. U. (2009). Teaching vocabulary to very young learners through games and songs. Ekev Academic Review, 13(38), 299-308.
Taghizadeh, M., Vaezi, S., & Ravan, M. (2017). Digital games, songs and flashcards and their effects on vocabulary knowledge of Iranian preschoolers. International Journal of English Language & Translation Studies, 5(4), 156-171.
Tekin, S., & Garton, S. (2020). L1 in the primary English classroom: How Much, when, how and why?, Iranian Journal of Language Teaching Research, 8(3), 77-97. https:// doi.org/ 10.30466/ijltr.2020.120935
Topçuoğlu, E. (2006). The effect of starting teaching foreign languages in preschool to teaching foreign languages. [Unpublished doctoral thesis]. Niğde University Social Sciences Institution.
Tuan, L. T. (2012). Vocabulary recollection through games. Theory and Practice in Language Studies, 2(2), 257-264. https:// doi.org/10.4304/tpls2.2.257-264
Vihman, M. M., & McCune, L. (1994). When is a word a word? Journal of Child Language, 21(3), 517-542. https:// doi.org/10.1017/S0305000900009442
Weitz, M., Pahl, S., Flyman Mattsson, A., Buyl, A., & Kalbe, E. (2010). The Input Quality Observation Scheme (IQOS): The nature of L2 input and its influence on L2 development in bilingual preschools. In C. Kersten, A. Rohde, C. Schelletter, A.K. Steinlein (Eds.), Bilingual preschools (pp. 5-44).Wissenschaftlicher Verlag Trier.
Widen, S.C., & Russell, J.A. (2003). A closer look at preschoolers’ freely produced labels for facial expressions. Developmental Psychology, 39(1), 114–128. https://doi.org/10.1037/0012-1649.39.1.114
De Bot, K. (2014). The effectiveness of early foreign language learning in the Netherland. Studies in Second Language Learning and Teaching, 4 (3). 409-418. https://doi.org/ 10.14746/ssllt.2014.4.3.2