Hasibuan, H., , Ijah, and A. Hardika. “Palm Based Mono-Diacylglyceride As an Emulsifier in Producing Chocolate With Cocoa Butter Substitute”. Pelita Perkebunan (a Coffee and Cocoa Research Journal), Vol. 31, no. 2, Aug. 2015, pp. 109-18, doi:10.22302/iccri.jur.pelitaperkebunan.v31i2.166.