Yulianti, Evy, Anna Rakhmawati, and Kartika Ratna Pertiwi. 2016. “OPTIMATION OF ANTIMICROBIAL SUBSTANCE PRODUCTION IN CELL FREE EXTRACT FROM THERMOPHYLIC BACTERIA FERMENTATION AFTER MERAPI ERRUPTION”. Jurnal Sains Dasar 4 (2):140-44. https://doi.org/10.21831/jsd.v4i2.9089.