Alpian, Alpian, Defi Sianipar, Desy Natalia Koroh, Yanciluk Yanciluk, Nuwa Nuwa, Wahyu Supriyati, I Nyoman Surasana, Gimson Luhan, and Ayub Wanasetya. “Kualitas Briket Arang Serbuk Limbah Bangkirai, Rengas Dan Agathis: Charcoal Briquette Quality of Bangkirai, Rengas and Agathis Waste Powders”. Daun: Jurnal Ilmiah Pertanian dan Kehutanan 10, no. 2 (December 29, 2023): 184–204. Accessed May 8, 2024. https://journal.umpr.ac.id/index.php/daun/article/view/5971.