Rusli, Muhammad Hafiz Daniel, and Hairulazwan Hashim. “Fertilization of Food Waste Management in UTHM’s Cafeteria Using Arduino”. Progress in Engineering Application and Technology, vol. 2, no. 1, June 2021, pp. 522-33, https://penerbit.uthm.edu.my/periodicals/index.php/peat/article/view/771.