Farida, E. N.; Diantari, R.; Harpeni, E.; Wardiyanto, W.; Hasani, Q.; Yulianto, H.; Yusuf, M. W.; Susanti, O. THE EFFECT OF IMMERSION OF MANGROVE Avicennia Alba (Tomlinson, 1986) LEAF EXTRACT WITH DIFFERENT CONCENTRATIONS IN PREVENTING BACTERIAL DISEASE Vibrio Harveyi (Johnson &Amp; Shunk, 1936) IN VANAME SHRIMP (Litopenaeus Vannamei) (Boone, 1931). jrtbp 2020, 8, 1001-1008.