Study the Effect of pH on the Fermentation Anaerobic-Aerobic Siwalan (Borassus flabellifer L.) Sap to Produce Acetic Acid. EKSAKTA [Internet]. 2020 Apr. 30 [cited 2026 Aug. 2];21(1):29-35. Available from: https://eksakta.ppj.unp.ac.id/index.php/eksakta/article/view/220