Hoon, C. L., M. F. Dziauddin, B. Jabar, M. N. Daud, N. F. Abd Rahman, and Z. Othman. “Social Science Literacy Among Form Four Students in Malaysian Secondary Schools”. Journal of Research, Policy & Practice of Teachers and Teacher Education, vol. 4, no. 2, Oct. 2018, pp. 59-72, https://ejournal.upsi.edu.my/index.php/JRPPTTE/article/view/190.