WATER QUALITY ASSESSMENT BASED ON GILL MONOGENEAN PARASITES OF Oreochromis Niloticus (Linnaeus, 1758) AND Labeo Calbasu (Hamilton, 1822) FISHES OF RIVER PENNA (INDIA) . Appl Biol Res 2023, 23 (3), 235-244. https://doi.org/10.48165/.