Thiam Yew, W., & Binti Tajuddin, S. (2015). 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. Journal of Science and Mathematics Letters, 3, 7-14. https://ejournal.upsi.edu.my/index.php/JSML/article/view/377