Sasmita, Aryo, and Ulfa Septianda. “Variasi Penambahan Dosis Biochar Cangkang Kelapa Sawit Terhadap Emisi Karbon Dioksida Di Topsoil”. Jurnal Rekayasa Bahan Alam dan Energi Berkelanjutan 6, no. 2 (December 30, 2022): 7–13. Accessed May 19, 2024. https://rbaet.ub.ac.id/index.php/rbaet/article/view/2903.