A. Kusuma, D. A. N. . Putri, N. . Nurfitriana, and J. P. . Siahaan, “COMPARISON OF FISH DIVERSITY IN THE OPAK RIVER ECOSYSTEM AND THE INLET OUTLET AREA OF THE GAJAH MUNGKUR RESERVOIR”, JP, vol. 14, no. 2, pp. 580–591, Jun. 2024.