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BB Dörnyei, Zoltán. Questionnaires in second language research: construction, administration, and processing / Zoltán Dörnyei. New Jersey ; London : Lawrence Erlbaum, 2003
BB Ellis, Rod. Language teaching research and language pedagogy / Rod Ellis. Chichester, West Sussex ; Malden, MA : Wiley-Blackwell, 2012
BB McDonough, Jo. Research methods for English language teachers / Jo McDonough, Steven McDonough . London : Arnold, 1997
BB Nunan, David. Exploring second language classroom research a comprehensive guide / David Nunan, Kathleen M. Bailey. Boston, MA : Heinle, Cengage Learning, 2009
BB Nunan, David. Research methods in language learning / David Nunan. Cambridge : Cambridge Uviversity Press, 1992
BB Wajnryb, Ruth. Classroom observation tasks: a resource book for language teachers and trainers / Ruth Wajnryb . 1st ed., 3a. pr. Cambridge : Cambridge University Press, 1995
BB Wallace, Michael J. Action research for language teachers / Michael J. Wallace . 1st ed. Cambridge : Cambridge University Press, 1998
BC Cohen, Louis. Research Methods in Education / Louis Cohen, Lawrence Manion and Keith Morrison. 7th ed. New York : Routledge, 2011
BC Fraenkel, Jack R. How to design and evaluate research in education / Jack R. Fraenkel, Norman E. Wallen. 7th ed. Boston : McGraw-Hill, 2008