Kusuma, A., 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”. Jurnal Perikanan Unram, vol. 14, no. 2, June 2024, pp. 580-91, doi:10.29303/jp.v14i2.563.