Maharani, D. E.; Lumbessy, S. Y.; Azhar, F. ANTIBACTERIAL EFFECTIVENESS OF BLACK QUICK (Nigella Sativa Linn) EXTRACT ON BACTERIA INHIBITORY Aeromonas Hydrophila, AND MORPHOLOGY FISH INDIGO (Oreochromis Niloticus) POST INFECTION. jfh 2022, 2, 71-82.