R. Rusdianasari, A. . Syakdani, M. . Zaman, F. F. . Sari, N. P. Nasyta, and R. . Amalia, “Utilization of Eco-Enzymes from Fruit Skin Waste as Hand Sanitizer”, ajarcde, vol. 5, no. 3, pp. 23–27, Oct. 2021.