Shahizan, Muhammad Izzul Fahmi, Zareena Rosli, Abdul Malik Hakim Ab Aziz, and Azizah Nurul Khoirunnisa. “Enhancing Hygiene and Minimising Item Loss in Public Restrooms Using Smart Sensor Technology”. Politeknik & Kolej Komuniti Journal of Engineering and Technology 10, no. 1 (June 30, 2025). Accessed July 1, 2025. https://app.mypolycc.edu.my/journal/index.php/PMJET/article/view/728.