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H., Kim, and Kwon Y. ‘Exploring Smartphone Applications for Effective Mobile-Assisted Language Learning’. 15.1 31–57. Web. <http://kmjournal.bada.cc/?page_id=99#>.
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J., Son. ‘Selecting and Evaluating Mobile Apps for Language Learning’. The International Handbook of Mobile-Assisted Language Learning. Central Radio & TV University Press, 2016. 161–179. Web. <http://www.apacall.org/member/sonjb/research.html#chapters>.
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Mishan, Freda, and Ivor Timmis. Materials Development for TESOL. Edinburgh: Edinburgh University Press, 2015. Web. <https://ebookcentral.proquest.com/lib/nottingham/detail.action?docID=4306117>.
Nunan, David. Syllabus Design. Language teaching, a scheme for teacher education. Oxford: Oxford University Press, 1988. Print.
Opoku-Amankwa, Kwasi, Aba Brew-Hammond, and Francis Elsbend Kofigah. ‘What Is in a Textbook? Investigating the Language and Literacy Learning Principles of the “Gateway to English” Textbook Series’. Pedagogy, Culture & Society 19.2 (2011): 291–310. Web.
Reinders, H. ‘An Evaluative Checklist for Self-Access Materials’. ELT Journal 60.3 (2006): 272–278. Web.
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Tomlinson, Brian. ‘Materials Development for Language Learning and Teaching’. Language Teaching 45.02 (2012): 143–179. Web.
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Tomlinson, Brian and ebrary, Inc. Applied Linguistics and Materials Development. London: Bloomsbury Academic, 2013. Web. <http://site.ebrary.com/lib/unmc/Doc?id=10632601>.
