M. Z. Uska, R. H. Wirasasmita, B. D. D. Arianti, Y. N. Kholisho, M. Djamaluddin, and J. Jamaluddin, “Android-Based Waste Education App: An Information Media on Zero-Waste Programs”, ELINVO, vol. 6, no. 1, pp. 16–25, Sep. 2021.