ANTAGONISM TEST OF PROBIOTICS BACTERIA ISOLATED FROM BLACK TIGER SHRIMP (Penaeus monodon) AGAINST PATHOGENS (Aeromonas hydrophila, Pseudomonas sp and Vibrio alginolyticus) - Wijayanto, Nursit (Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan, 2014)