Mohamad Hairol Jabbar and Mohd Helmy Abd Wahab, PEMBANGUNAN APLIKASI WAP: PENDEKATAN PRAKTIKAL. Penerbit UTHM, 2009. Accessed: Aug. 27, 2026. [Online]. Available: https://monograph.uthm.edu.my/index.php/penerbituthm/catalog/book/44