Efficacy of inactive bivalent and trivalent Streptococcus agalactiae bacteria (biotype 1 & 2) vaccines on tilapia, Oreochromis niloticusTaukhid, Angela M. Lusiastuti, Septyan Andriyanto, Desy Sugiani, Tuti Sumiati and Achmad SuhermantoE3S Web Conf., 322 (2021) 02014DOI: https://doi.org/10.1051/e3sconf/202132202014