Redjeki, Sri, Achyar Abdullah, and Santa Kristi Dwitama. “Karakteristik Kualitas Biochar Dari Limbah Batang Ubi Kayu Dengan Proses Pirolisis”. Prosiding Seminar Nasional Soebardjo Brotohardjono 19, no. 1 (November 6, 2023). Accessed April 4, 2025. https://snsb.upnjatim.ac.id/index.php/snsb/article/view/17.