Diyah Candra Anita, Wulandari R, Nugroho HS. Upgrading Charcoal Briquettes of Coconut Shell for Export. jpmm [Internet]. 2020 Jun. 15 [cited 2024 Nov. 22];4(1):22-3. Available from: https://journal.unj.ac.id/unj/index.php/jpm/article/view/11989