Hussain Othman, Abdullah Sulaiman, Berhannudin Mohd Salleh, and Syed Muhammad Dawilah al Edrus, PBL - PEMBANGUNAN KOMUNITI LESTARI. Penerbit UTHM, 2009. Accessed: Aug. 27, 2026. [Online]. Available: https://monograph.uthm.edu.my/index.php/penerbituthm/catalog/book/52