Utomo, Tanto Pratondo, Udin Hasanudin, Sri Hidayati, and Silaturahmi Widaputri. 2024. “Pemanfaatan Ampas Batang Kelapa Sawit Tua Bebas Nira Sebagai Bahan Baku Biopelet [Utilization of Sap Free Old Palm Dregs As Raw Material for Biopellets]”. Jurnal Teknologi &Amp; Industri Hasil Pertanian 29 (1):100-108. https://doi.org/10.23960/jtihp.v29i1.100-108.