Metungun, Jakomina, Mariana Beruatjaan, Hendro Hatijahubessy, and Cenny Putnarubun. 2025. “FEEDING OF ULVA LACTUCA EXTRACT AGAINST THE IMMUNE PARAMETERS AND SURVIVAL OF DUCK GROUPER FISH (Cromileptes Altivelis) ”. Jurnal Ilmu Pendidikan Indonesia 13 (2):133-45. https://doi.org/10.31957/jipi.v13i2.4699.