“Improvement of Small Scale Cocoa Fermentation Using Lactobacillus Fermentumas Starter Culture”. Pelita Perkebunan (a Coffee and Cocoa Research Journal), vol. 33, no. 3, Dec. 2017, pp. 203-10, https://doi.org/10.22302/iccri.jur.pelitaperkebunan.v33i3.295.