Diyah Candra Anita, Retno Wulandari, and Hendrato Setiabudi Nugroho. 2020. “Upgrading Charcoal Briquettes of Coconut Shell for Export”. Jurnal Pemberdayaan Masyarakat Madani (JPMM) 4 (1):22-23. https://doi.org/10.21009/JPMM.004.1.02.