Mohamed Ali, Mohd Hatta, et al. “Development of E-Pocket Musafir (e-PM) an Android Mobile App for Muslim Travelers: Pembangunan E-Pocket Musafir (e-PM) Aplikasi Mudah Alih Android Untuk Pengembara Muslim”. Journal of Quranic Sciences and Research, vol. 3, no. 1, July 2022, pp. 21-28, https://publisher.uthm.edu.my/ojs/index.php/jqsr/article/view/11891.