“Characteristics of Biomass Brickets With Different Geometry Variations and Types of Raw Material”. Jurnal BETA (Biosistem dan Teknik Pertanian) 9, no. 2 (September 29, 2021): 193–201. Accessed September 23, 2026. https://ejournal3.unud.ac.id/index.php/beta/article/view/2549.