Mohd Zulkarnain, Nur Azurah Zuraikha, Harumi Veny, Farah Hanim Ab Hamid, Rozana Azrina Sazali, Sri Rizki Putri Primandani, Zulkifli Abd Rashid, and Azil Bahari Alias. “A Study on the Effectiveness of Eggshell As an Abrasive Agent in Toothpaste”. Malaysian Journal of Chemical Engineering and Technology 8, no. 2 (October 31, 2025): 113–125. Accessed December 7, 2025. https://journal.uitm.edu.my/ojs/index.php/MJCET/article/view/6698.