Nurfarahin Zafir, Mazida Ahmad, and Norliza Katuk. “Mangkuk Tingkat System”. Multidisciplinary Applied Research and Innovation 2, no. 3 (December 8, 2021): 030–035. Accessed August 15, 2026. https://periodical.uthm.edu.my/index.php/mari/article/view/5082.