M. I. F. Shahizan, Z. Rosli, A. M. H. Ab Aziz, and A. N. Khoirunnisa, “Enhancing Hygiene and Minimising Item Loss in Public Restrooms Using Smart Sensor Technology”, Politeknik & Kolej Komuniti Journal of Engineering and Technology, vol. 10, no. 1, Jun. 2025, Accessed: Jul. 01, 2025. [Online]. Available: https://app.mypolycc.edu.my/journal/index.php/PMJET/article/view/728