M. Said, M. Faizal, B. Yudono, Hasanudin, and S. P. Estuningsih, “Isolates of Lipolytic, Proteolytic and Cellulolytic Bacteria from Palm Oil Mill Effluent and Their Potency as Consortium”, Int. J. Adv. Sci. Eng. Inf. Technol., vol. 9, no. 2, pp. 390–396, Apr. 2019.