Suretno, Muhibbudin, and Indra Ranggadara. “Pengembangan Aplikasi Waste Bank Berbasis Blockchain”. Teknika 11, no. 1 (March 1, 2022): 8-13. Accessed July 27, 2024. https://ejournal.ikado.ac.id/index.php/teknika/article/view/425.