Md. Yasin, M. A. S. bin, bin Daud, M. N., Musa, H. bt. and Imam, S. S. (2012) “Effect of Meaningfulness of Learning Meterials on Speed of Learning”, The Journal of Behavioral Science, 3(1), pp. 26–30. Available at: https://so06.tci-thaijo.org/index.php/IJBS/article/view/2160 (Accessed: 4 May 2024).