Pelatihan Pembuatan Biobriket Ramah Lingkungan Berbahan Dasar Campuran Limbah Bonggol Jagung/Ampas Kopi/Serbuk Gergaji Kayu Kelompok Masyarakat Petani (GAPOKTAN) KM 12 Balikpapan Utara : Training on Making Biobriquettes Using Corncob/Coffee Ground/Wood Sawdust-based Agriculture Waste for the Farmers Community Group (GAPOKTAN) KM 12 North Balikpapan. B.JPMI [Internet]. 2021 Dec. 15 [cited 2026 Apr. 21];4(1):1-9. Available from: https://jurnaljpmi.com/index.php/jpmi/article/view/138