Ahmad Roni, Kiagus, Merisha Hastarina, and Netty Herawati. 2019. “Effects of yeast’s Weight and Fermentation Time to Percent Yield of Bioethanol from Peatland”.
International Journal of Engineering and Technology 7 (4): 5945-49.
https://doi.org/10.14419/ijet.v7i4.24016.