Agustiani, E. (2020) “Study the Effect of pH on the Fermentation Anaerobic-Aerobic Siwalan (Borassus flabellifer L.) Sap to Produce Acetic Acid”, EKSAKTA: Berkala Ilmiah Bidang MIPA, 21(1), pp. 29–35. doi: 10.24036/eksakta/vol21-iss1/220.