Ching, W.C. and Che Ahmad, C.N. (2013) “Investigation of Constructivist Learning Enviroments and Educational Facility in Science Classrooms: Kajian Pengintegrasian Persekitaran Pembelajaran Konstruktivis dan Kemudahan Pendidikan dalam Bilik Darjah Sains”, Journal of Science and Mathematics Letters, 1, pp. 18–27. Available at: https://ejournal.upsi.edu.my/index.php/JSML/article/view/4303 (Accessed: 7 April 2025).