Mohd Isa NK. 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. PERS. 2016;8(1):29-41. Accessed December 6, 2025. https://ejournal.upsi.edu.my/index.php/PERS/article/view/1729