Sh Salleh bin Sh Ahmad, Tan Lai Wai, and Norazmi Danuri, Kompilasi KAJIAN TINDAKAN UTHM . Penerbit UTHM, 2018. Accessed: Mar. 12, 2026. [Online]. Available: https://publisher.uthm.edu.my/omp/index.php/penerbituthm/catalog/book/218