Yakin, Engkus Ainul, Zaenal Bachruddin, Ristianto Utomo, and Ria Millati. 2017. “Effect of Manganese (Mn2+) Addition on Cocoa Pod Fermentation With Phanerochaete Chrysosporium”. Pakistan Journal of Nutrition 16 (7): 508–513. https://doi.org/10.3923/pjn.2017.508.513.