[1]
M. F. Sutarya, D. Rhakasywi, and F. Fahrudin, “Analysis of Biopellets from a Mixture of Coffee Grounds and Sawdust as an Alternative Energy Source: Analisis Biopelet Dari Campuran Ampas Kopi dan Serbuk Gergaji Sebagai Sumber Energi Alternatif”, acopen, vol. 10, no. 2, p. 10.21070/acopen.10.2025.12889, Nov. 2025.