Afrough, T., Rahimi, A., & Zarafshan, M. (2014). Foreign language learning demotivation: A construct validation study. Procedia-social and Behavioral Sciences, 136, 49-53.
Alavinia, P., & Sehat, R. (2012). A probe in to the main de-motivating factors among Iranian EFL learners. English Language Teaching, 5(6), 9-35.
Arai, K. (2004). What ‘demotivates’ language learners?: Qualitative study on demotivational factors and learners’ reactions. Bulletin of Toyo Gakuen University, 12(3), 39-47.
Bekleyen, N. (2011). Demotivating factors in the EFL environment. Frontiers of Language and Teaching, 2, 151-156.
Boonchuayrod, P. & Getkham, K. (2018). Why were English major students demotivated in English Language learning? International Journal of Management and Applied Science, 4(3), 51-55.
Çankaya, P. (2018). Demotivation factors in foreign language learning. Journal of Foreign Language Education and Technology, 3(1), 1-17.
Dörnyei, Z. (1990). Conceptualizing motivation in foreign‐language learning. Language Learning, 40(1), 45-78.
Dörnyei, Z. (1998). Motivation in second and foreign language learning. Language Teaching, 31(3), 117-135.
Dörnyei, Z. (2001). New themes and approaches in second language motivation research. Annual Review of Applied Linguistics, 21, 43-59.
Dörnyei, Z. (2005). The psychology of the language learner: Individual differences in second language acquisition. Lawrene Erlbaum Associates.
Dörnyei, Z., & Al-Hoorie, A. (2017). The motivational foundation of learning languages other than Global English: Theoretical issues and research directions. The Modern Language Journal, 101(3), 455-468.
Dörnyei, Z., & Ushioda, E. (2011). Teaching and researching: Motivation (2nd ed.). Longman.
Doughty, C. J., & Long, M. H. (2003). The handbook of second language acquisition. Blackwell.
Falout, J., Elwood, J., & Hood, M. (2009). Demotivation: Affective states and learning outcomes. System, 37(3), 403-417.
Falout, J., & Maruyama, M. M. (2004). A comparative study of proficiency and learner demotivation. The Language Teacher, 28(8), 3-9.
Gardner, R. C. (1985). Social psychology and second language learning: The role of attitudes and motivation: Arnold.
Gardner, R. C., & Lambert, W. E. (1972). Attitudes and motivation in second-language learning. Newbury House Publishers.
Ghadirzadeh, R., Hashtraudi, F., & Shokri, O. (2011). Factorial analysis of the Farsi version of demotivation questionnaire for English language learning among university students. International Journal of Arts and Sciences, 4(4), 194-207.
Hosseinpour, N., & Heidari Darani, L. (2018). Disparities in students’ perceptions of demotivating factors in learning English across educational levels and fields of study. Iranian Journal of English for Academic Purposes, 7(1), 35-48.
Ikeno, O. (2002). Motivating and demotivating factors in foreign language learning: A preliminary investigation. Ehime University Journal of English Education Research, 2, 1-19.
Iwaniec, J. (2014). Motivation of pupils from southern Poland to learn English. System, 45, 67-78.
Jung, S. K. (2011). Demotivating and remotivating factors in learning English: A case of low level college students. English Teaching, 66(2), 47-72.
Kaivanpanah, S., & Ghasemi, Z. (2011). An investigation into sources of demotivation in second language learning. Iranian Journal of Applied Linguistics, 5(3), 89-110.
Khouya, Y. B. (2018). Students demotivating factors in the EFL classroom: The case of Morocco. Advances in Language and Literary Studies, 9(2), 150-159.
Kim, K. J. (2009). Demotivating factors in secondary English education. English Teaching, 64(4), 249-267.
Klimova, B. F. (2011). Motivation for learning English at a university level. Procedia-social and behavioral sciences, 15, 2599-2603.
Li, L., & Zhou, C. (2013). Different faces of demotivation: A comparative study on Chinese and Korean college EFL learners’ demotivators. Journal of Applied Sciences, 13(6), 800-809.
Li, Q. (2014). Differences in the motivation of Chinese learners of English in a foreign and second language context. System, 42, 451-461.
Meshkat, M., & Hassani, M. (2012). Demotivating factors in learning English: The case of Iran. Procedia-social and behavioral sciences, 31, 745-749.
Moiinvaziri, M., & Razmjoo, S. A. (2014). Demotivating factors affecting undergraduate learners of non-English majors studying general English: A case of Iranian EFL context. Journal of Teaching Language Skills, 32(4), 41-61.
Molaee, Z., Dortaj, F., & Sadipour, E. (2016). Unmotivated motivating: Toward motivating L2 learning, based on demotivating factors. Procedia-social and behavioral sciences, 217, 9-15.
Muhonen, J. (2004). Second language demotivation: Factors that discourage pupils from learning the English language. University of Jyväskylä, Department of Languages.Unpublished Pro Gradu Thesis.
Nguyen, B. H., & Phạm, T. T. V. (2017). English-major students' perceptions of demotivating factors in learning reading. International Journal of Advanced Research, 5(8), 200-207.
Pakzadian, S. S., Elaheh, S., & Iravani, H. (2016). University students’ demotives for studying in general and learning English. Iranian Journal of Applied Language Studies, 8(1), 53-90.
Quadir, M. (2017). Let us listen to our students: An analysis of demotivation to study English in Bangladesh. The English Teacher, 3, 128-141.
Rajabi, B., & Pozveh, S. M. H. (2016). A Quantitative analysis of demotivating factors for Iranian intermediate high school EFL Learners. Mediterranean Journal of Social Sciences, 7(5), 124-131.
Rudnai, Z. (1996). Demotivation in learning English among secondary school students in Budapest. Unpublished MS thesis, Eötvös Loránd University, Budapest, Hungary.
Sahragard, R., & Alimorad, Z. (2013). Demotivating factors affecting Iranian high school students’ English learning. In M. Cortazzi & L. Jin (Eds.), Researching Cultures of Learning: International perspective on language learning and education (pp. 308-327). Palgrave Macmillan.
Sakai, H., & Kikuchi, K. (2009). An analysis of demotivators in the EFL classroom. System, 37(1), 57-69.
Song, B., & Kim, T.-Y. (2017). The dynamics of demotivation and remotivation among Korean high school EFL students. System, 65, 90-103.
Soureshjani, K. H., & Riahipour, P. (2012). Demotivating factors on English speaking skill: A study of EFL language learners and teachers’ attitudes. World Applied Sciences Journal, 17(3), 327-339.
Sucuoglu, E. (2017). Analysis of motivational strategies used by English language teachers teaching at secondary schools. Procedia computer science, 120, 189-195.
Sugino, T. (2010). Teacher demotivational factors in the Japanese language teaching context. Procedia-social and Behavioral Sciences, 3, 216-226.
Tabatabaei, O., & Molavi, A. (2012). Demotivating Factors Affecting EFL Learning of Iranian Seminary Students. International Education Studies, 5(1), 181-190.
Thurstone, L. L. (1974). Multiple factor analysis. Chicago: University of Chicago Press.
Tsuchiya, M. (2006). Factors in demotivation of lower proficiency English learners at college. The Kyushu Academic Society of English Language Education, 34, 87-96.
Vidak, N., & Sindik, J. (2018). English language learning demotivation at university students Collegium Antropologicum, 42(2), 111-116.
Yadav, M., & BaniAta, H. (2013). Factorizing demotivation, finding motivation: A constructive approach to quality enhancement. Procedia-social and behavioral sciences, 70, 120-130.
Yousofi, N., Ebadi, S., & Saedi, D. M. (2017). Investigating the L2 Motivation of the Undergraduate Students from the Perspective of the “L2 Motivational Self System”. Jornal of Research in Teaching, 5(3), 1-21.
Zou, L., & Xu, B. (2016). On demotivating factors for English learning of vocational college students in Leshan City, Sichuan, China. US-China Foreign Language 14(8), 552-558.
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