[1] R. A. R. Gurung and R. C. Martin, (2011), Predicting Textbook Reading: The Textbook Assessment and Usage Scale, Teaching of Psychology; Vol. 38, No. 1, pp. 22-28.
[2] P. Rea-Dickens and K. Germaine, (1992), Evaluation, Oxford: Oxford University Press.
[3] Communist Party of Vietnam, (2013), Resolution No. 29-NQ/TW, on Fundamental and comprehensive innovation in education, serving industrialization and modernization in a socialist-oriented market economy during international integration, in Vietnamese.
[4] Ational Assembly XIII, (2014), Resolution No. 88/2014/ QH13 on Renovating general education curricula and textbooks, (in Vietnamese).
[5] Ministry of Education and Training, (2014), Project on renovation of general education curriculum and textbooks after 2015, (in Vietnamese).
[6] H. Ansary, and E. Babaii, (2002), Universal characteristics of EFL/ESL textbooks: A step towards systematic textbook evaluation, The Internet TESL Journal, Vol 8, No. 2, pp.1-9
[7] G. Low, (1987), The need for a multi‐perspective approach to the evaluation of foreign language teaching materials, Evaluation & Research in Education; Vol.1, No.1, pp.19-29.
[8] T. J. Nipa, and S. Kermanshachi, (2020), Assessment of open educational resources (OER) developed in interactive learning environments, Education and Information Technologies, Vol 25, No. 4, pp. 2521- 2547.
[9] M. P. Breen, (1989), The evaluation cycle for language learning tasks, In R. K. Johnson (Ed.), The second language curriculum, pp. 187-206. Cambridge: Cambridge University Press
[10] L. A. Shepard, (2009), Commentary: Evaluating the validity of formative and interim assessment, Educational Measurement: Issues and Practice, Vol. 28, No. 3, pp. 32-37.
[11] I. Clark, (2011), Formative assessment: Policy, perspectives and practice, Florida journal of educational Administration & Policy; Vol. 4, No. 2, pp. 158-180.
[12] C. Saraceni, (2003), Adapting courses: a critical view, in B. Tomlinson (ed.), Developing Materials for Language Teaching, London: Continuum.
[13] W. Harlen, and M. James, (1997), Assessment and learning: differences and relationships between formative and summative assessment, Assessment in education: Principles, policy & practice; Vol. 4, No. 3, pp. 365-379.
[14] P. Ur, A course in Language Teaching: Practice and Theory, Cambridge University Press, Cambridge
[15] Ministry of Education and Training, (2020), Circular No. 27/2020/TT-BGDDT dated September 4, 2020 on Regulations on assessment of primary school students, in Vietnamese
[16] I. Zahan and J. Begum, (2013), How to Evaluate an EFL/ ESL Textbook-a Problem a Solution, ASA University Review, Vol. 7, No. 1, pp. 193-202.
[17] A. Cunningsworth, (1995), Choosing Your Coursebook, Oxford: Heinemann Publishers Ltd
[18] N. P. Linh, (2021), Textbook assessment: necessary criteria for quality of education, Today’s teaching and learning magazine; Vol. 01, pp.42-44.
[19] A. Gayton, (2010), Socioeconomic status and languagelearning motivation: To what extent does the former influence the latter, Scottish Languages Review, Vol. 22, No. 1, pp.17-28
[20] J. Presnilla-Espada, (2016), Why many children are still out of school?, International Journal of Innovation and Applied Studies, Vol. 16, No. 3, pp. 635-645.
[21] UNESCO Institute for Statistics (UIS) and UNICEF, (2015), Fixing the Broken Promise of Education for All: Findings from the Global Initiative on Out-of-School Children, Montreal: UIS
[22] R. O’Neill, (1982), Why uses textbooks? ELT journal, Vol. 36, No. 2, pp. 104-111.
[23] A. Cunningsworth and B. Tomlinson, (1984), Evaluating and selecting EFL teaching materials, Heinemann Educational.
[24] R. L. Allwright, (1981), What do we want teaching materials for?, ELT journal, Vol. 36, No. 1, pp. 5-18.
[25] D. L. Kirkpatrick, (1998), The four levels of evaluation, Evaluating corporate training: Models and issues, Vol. 46, pp. 95-112, 1998
[26] Prime Minister, (2015), Decision No. 404/QD-TTg Approving the scheme on renovation of general education curricula and textbooks, in Vietnamese