1. Prince Edward Island Department of Education, Evaluation and Selection of Learning Resources: A Guide (Charlottetown, Prince Edward Island, Canada, 2008), pp. 2
2. Usman, Y. Dangara, Research on Humanities and Social Sciences 6(13), 27–37 (2016).
3. Effective Use of Teaching and Learning Resources
4. Acar and M. Yaman, H. U. Journal of Education 40, 1–10 (2011).
5. E. B. Magwilang, IJLTER 15(4), 60–68 (2016).