Che Ahmad, Che Nidzam, Asmayati Yahya, Mohd Faizal Nizam Lee Abdullah, Noraini Mohamed Noh, Mazlini Adnan, and Nurul Jannah Amri. “CONSTRUCTION AND VERIFICATION OF ENVIRONMENTAL ASSESSMENT INSTRUMENTS PHYSICAL SCIENCE CLASSROOM (IPPFBDS) (14 - 26)”. Jurnal Pendidikan Sains dan Matematik Malaysia 4, no. 2 (April 27, 2019): 14-26. Accessed July 5, 2022. https://ejournal.upsi.edu.my/index.php/JPSMM/article/view/2131.