1
Tomlinson B. Materials development in language teaching. 2nd ed. Cambridge: : Cambridge University Press 2011. https://ebookcentral.proquest.com/lib/nottingham/detail.action?docID=674679
2
Tomlinson B. Materials development for language learning and teaching. Language Teaching 2012;45:143–79. doi:10.1017/S0261444811000528
3
Opoku-Amankwa K, Brew-Hammond A, Kofigah FE. What is in a textbook? Investigating the language and literacy learning principles of the ‘Gateway to English’ textbook series. Pedagogy, Culture & Society 2011;19:291–310. doi:10.1080/14681366.2011.582264
4
H. K, Y. K. Exploring Smartphone Applications for Effective Mobile-Assisted Language Learning. ;15:31–57.http://kmjournal.bada.cc/?page_id=99#
5
J. S. Selecting and Evaluating Mobile Apps for Language Learning. In: The international handbook of mobile-assisted language learning. Central Radio & TV University Press 2016. 161–79.http://www.apacall.org/member/sonjb/research.html#chapters
6
Sheldon LE. Evaluating ELT textbooks and materials. ELT Journal 1988;42:237–46. doi:10.1093/elt/42.4.237
7
Reinders H. An evaluative checklist for self-access materials. ELT Journal 2006;60:272–8. doi:10.1093/elt/ccl007
8
Carol Ann Tomlinson. How to Differentiate Instruction in Mixed-Ability Classrooms. Association for Supervision & Curriculum Development 2001. https://ebookcentral.proquest.com/lib/unmc-ebooks/reader.action?docID=3002067&ppg=10
9
Mishan F, Timmis I. Materials development for TESOL. Edinburgh: : Edinburgh University Press 2015. https://ebookcentral.proquest.com/lib/nottingham/detail.action?docID=4306117
10
Tomlinson B, ebrary, Inc. Applied linguistics and materials development. London: : Bloomsbury Academic 2013. http://site.ebrary.com/lib/unmc/Doc?id=10632601
11
McGrath I. Materials evaluation and design for language teaching. Edinburgh: : Edinburgh University Press 2002.
12
Nunan D. Syllabus design. Oxford: : Oxford University Press 1988.
13
Harmer J. The practice of English language teaching. 5th ed. Harlow, Essex: : Pearson Education 2015.
14
Hedge T. Teaching and learning in the language classroom. Oxford: : Oxford University Press 2000.