Hidayah, T. “The Effect of Saccharomyces Cerevisiae Inoculum Concentration On Bioetanol Production From Cocoa Peel (Theobroma Cacao L)”. SainsTech Innovation Journal, vol. 1, no. 1, Sept. 2018, pp. 6-15, doi:10.37824/sij.v1i1.2018.18.