Developing Farmers’ Business in Utilizing Coffee Skin Waste In Turekisa Village Through Biochar Production, Implementation, And Marketing for Sustainable Value Added Increase. ABDIMAS: Jurnal Pengabdian Masyarakat, [S. l.], v. 8, n. 4, p. 2486–2496, 2025. DOI: 10.35568/abdimas.v8i4.7285. Disponível em: https://journal.umtas.ac.id/ABDIMAS/article/view/7285. Acesso em: 27 jan. 2026.