Mohd Isa, Nor Kalsum. 2016. “Pengetahuan, Sikap Dan Tingkah Laku Pelajar UPSI Terhadap Prinsip-Prinsip Kampus Lestari: Awareness, Attitude and Behaviour of UPSI Students Towards The Principles of a Sustainable Campus”. Perspektif Jurnal Sains Sosial Dan Kemanusiaan 8 (1):29-41. https://ejournal.upsi.edu.my/index.php/PERS/article/view/1729.