Nayan, N., Che Ngah, M. S. Y., Hashim, M., Saleh, Y. and Shafiee, M. A. (2018) “Pemetaan Tahap Ketersampaian Wi-Fi di Universiti Pendidikan Sultan Idris, Perak: Mapping of Wi-fi Coverage Levels in Sultan Idris Education University, Perak”, GEOGRAFI, 2(2), pp. 39–51. Available at: https://ojs.upsi.edu.my/index.php/GEOG/article/view/476 (Accessed: 29 April 2024).