NURZATI, S. A. A.; 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 . Indonesian Journal of Innovation Studies, [S. l.], v. 26, n. 4, p. 10.21070/ijins.v26i4.1790, 2025. DOI: 10.21070/ijins.v26i4.1790. Disponível em: https://ijins.umsida.ac.id/index.php/ijins/article/view/1790. Acesso em: 5 dec. 2025.