Rinaldi, D. 2021. Utilization of Starch Water as Bioethanol using Fermentation Method and Bioactivator with NPK and Urea. Eduvest - Journal of Universal Studies. 1, 10 (Oct. 2021), 1.163 – 1.175. DOI:https://doi.org/10.59188/eduvest.v1i10.215.