Firdaus Wan Khairuldin, Wan Mohd Khairul, et al. “Technological Approach in Education of Musafir (Muslim Traveler) in Islam: The Study on Mobile App Mysafar”. International Journal of Academic Research in Progressive Education and Development, vol. 8, no. 1, Mar. 2019, https://ijarped.com/index.php/journal/article/view/2578.