Sahal Sinatrya Abidin, et al. “THE EFFECT OF DESIGN AND LOADING VARIATIONS ON FATIGUE LIFE OF RING DIES IN WOOD PELLET MACHINES”. ELEMEN : JURNAL TEKNIK MESIN, vol. 13, no. 1, June 2026, pp. 11-18, https://je.politala.ac.id/index.php/JE/article/view/377.