Hidayat, B. ., N. U. W. Sebayang, Jamilah, and Atria Utami. “Utilization of Biomass in The Form Biochar and Compost on Soil Properties”. Jurnal Online Pertanian Tropik, vol. 9, no. 3, Dec. 2022, pp. 182-91, doi:10.32734/jopt.v9i3.10708.