J. A. N. . Atsemani, N. R. Mubarik, and . Y. M. D. Ratnadewi, “Isolation, Characterization, and Identification of Biosurfactant-Producing Bacteria from Palm Oil Mill Effluent”, J. Ilmu. Pertan. Indones., vol. 31, no. 3, pp. 426–434, May 2026, doi: 10.18343/jipi.31.3.426.