W. Thiam Yew and S. Binti Tajuddin, “Tahap Pencapaian Kemahiran Proses Sains Bersepadu Dalam Mata Pelajaran Sains Dalam Kalangan Pelajar Tingkatan Lima: The Level of Achievement on the Integrated Science Process Skills in Science Subject among Form Five Students”, J. Sci. Math. Lett., vol. 3, pp. 7–14, Dec. 2015, Accessed: May 03, 2025. [Online]. Available: https://ejournal.upsi.edu.my/index.php/JSML/article/view/377