“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”. Berdikari: Jurnal Pengabdian Masyarakat Indonesia 4, no. 1 (December 15, 2021): 1–9. Accessed April 21, 2026. https://jurnaljpmi.com/index.php/jpmi/article/view/138.