Abdullah, Norazilawati, Nik Azmah Nik Yusof, and Rosnidar Mansor. 2019. “Implementation of Constructivist Approach in Science (78 - 91)”. Jurnal Pendidikan Sains Dan Matematik Malaysia 2 (2): 78-91. https://ejournal.upsi.edu.my/index.php/JPSMM/article/view/1841.