Lim, Nicole May Lynn, et al. “A Study on the Role of the KITARecycle App in Enhancing Waste Separation and 3R Practice in Higher Educational Institutions in Malaysia”. Progress in Engineering Application and Technology, vol. 6, no. 1, Apr. 2025, pp. 81-89, https://penerbit.uthm.edu.my/periodicals/index.php/peat/article/view/18934.