PEMBERIAN PROBIOTIK DENGAN FREKUENSI BERBEDA TERHADAP KELIMPAHAN PLANKTON, N/P RATIO DAN TOTAL VIBRIO PADA PEMELIHARAAN UDANG VANAME DI BAK TERPAL = ADDITION OF PROBIOTICS WITH DIFFERENT FREQUENCY TO PLANKTON ABUNDANCE, N/P RATIO AND VIBRIO TOTAL TO THE MAINTENANCE OF WHITE SHRIMP IN TARPAULIN POND - BUNGA ERDINA ZELVINA DEVI, 141511133130 (2019)