Md. Yasin, M. A. S. bin, bin Daud, M. N., Musa, H. bt., & Imam, S. S. (1). Effect of Meaningfulness of Learning Meterials on Speed of Learning. he ournal of ehavioral cience, 3(1), 26-30. etrieved from https://so06.tci-thaijo.org/index.php/IJBS/article/view/2160