Suprihatiningsih, Wiwit, Andi Firdaus, and Henry Charles. “COMMERCIALIZATION TRAINING OF WASTE UTILIZATION”. ICCD 2, no. 1 (November 28, 2019): 607 - 611. Accessed July 1, 2025. https://iccd.asia/ojs/index.php/iccd/article/view/279.