zuliantoni Z, Supardi NI, Hardiansyah, FA AS. Charcoal Production Training Using Used-Oil Stoves in Pasar Kerkap Village . dk [Internet]. 2025 Nov. 30 [cited 2025 Dec. 5];2(2):71-8. Available from: https://ejournal.unib.ac.id/dharmakayana/article/view/45792