SIDAURUK MGE, HUTAURUK SN, MARTGRITA MM, MANURUNG A. Citric Acid Production From Toba Banana Peel (Musa acuminata Colla) Through Submerged Fermentation Using Aspergillus niger. Microbiol indones [Internet]. 2020 May 14 [cited 2025 Jun. 29];13(4):2. Available from: https://jurnal.permi.id/index.php/mionline/article/view/738