Jati, Misnawi. “Changes in Procyanidins and Tannin Concentration As Affected by Cocoa Liquor Roasting”. Pelita Perkebunan (a Coffee and Cocoa Research Journal) 25, no. 2 (August 31, 2009). Accessed January 4, 2025. https://ccrjournal.com/index.php/ccrj/article/view/134.