Hafsa, Noraniah Kassim, Muhammad Airisfirdaus Ibrahim, Wan Muhammad Aliff Anuar Wan Azmi, and Tew Heng Yao. 2020. “Papan Dobi Selaju”. Multidisciplinary Applied Research and Innovation 2 (1):312-22. https://publisher.uthm.edu.my/periodicals/index.php/mari/article/view/390.