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1 McIver, J. P., "Unidimensional scaling" Sage 1981
2 Ellis, R., "The study of second language acquisition" Oxford University Press 2008
3 Dörnyei, Z., "The psychology of the language learner revisited" Routledge 2015
4 Dörnyei, Z., "Teaching and researching motivation" Routledge 2014
5 Papi, M., "Teacher motivational practice, student motivation, and possible L2 selves: An examination in the Iranian EFL context" 62 (62): 571-594, 2012
6 Irie, K., "Stability and flexibility of L2 motivation: A multimethod study of Japanese junior high school students" Temple University Japan 2005
7 Dörnyei, Z., "Some dynamics of language attitudes and motivation: Results of a longitudinal nationwide survey" 23 (23): 421-462, 2002
8 Dörnyei, Z., "Researching complex dynamic systems: Retrodictive qualitative modeling in the language classroom" 47 (47): 80-91, 2014
9 Nunnally, J. C., "Psychometric theory" McGraw-Hill 1994
10 Taguchi, T., "Motivation, language identity and the L2 self (Vol. 36)" Multilingual Matters 2009
11 Dörnyei, Z., "Motivation, language identity and the L2 self" Multilingual Matters 2009
12 Csizér, K., "Motivation, language identity and the L2 self" Multilingual Matters 98-119, 2009
13 Dörnyei, Z., "Motivation, language identity and the L2 self" Multilingual Matters 9-42, 2009
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28 Gardner, R. C., "Integrative motivation: Changes during a year‐long intermediate‐level language course" 54 (54): 1-34, 2004
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30 Williams, M., "French is the language of love and stuff: Student perceptions of issues related to motivation in learning a foreign language" 28 (28): 503-528, 2002
31 Ushioda, E., "Current issues in English language methodology" Publicacions de la UniversitatJaume 77-89, 1998
32 Gardner, R. C., "Attitude/motivation test battery: International AMTB research project" The University of Western Ontario 2004
33 Christophel, D. M., "A test‐retest analysis of student motivation, teacher immediacy, and perceived sources of motivation and demotivation in college classes" 44 (44): 292-306, 1995
34 Tae-Young Kim, "A Quasi-Longitudinal Study on English Learning Motivation and Attitudes: The Case of South Korean Students" 아시아테플 13 (13): 138-155, 2016