Nurzati SAA, Rhakasywi D, Fahrudin F. High Pressure and Long Compression Improve the Quality of Coffee Waste Biopellets : Tekanan Tinggi dan Kompresi Lama Meningkatkan Kualitas Biopellet Limbah Kopi . ijins [Internet]. 2025 Oct. 31 [cited 2025 Dec. 5];26(4):10.21070/ijins.v26i4.1790. Available from: https://ijins.umsida.ac.id/index.php/ijins/article/view/1790