D. Irene, A. Napirah, and A. Bain, “Karakteristik Fisiko-Kimia Ampas Sagu (Metroxylon sagu) yang Difermentasi menggunakan Urea dengan Lama Inkubasi Berbeda: Physico-Cemical Characteristics of Sago Dregs (Metroxylon sago) Which are Fermented Using Aspergillus niger Inoculum and Urea Addition with Different Incubation Lengths”, JIPHO, vol. 7, no. 1, pp. 46–50, Jan. 2025.