Mohamad Hairol Jabbar and Mohd Helmy Abd Wahab, PEMBANGUNAN APLIKASI WAP: PENDEKATAN PRAKTIKAL. Penerbit UTHM, 2009. Accessed: Apr. 10, 2026. [Online]. Available: https://publisher.uthm.edu.my/omp/index.php/penerbituthm/catalog/book/44