Dharmawan, Andi, Firstyoryza Cahyo, and Sukrisno Widyotomo. “Determining Optimum Point of Robusta Coffee Bean Roasting Process for Taste Consistency”. Pelita Perkebunan (a Coffee and Cocoa Research Journal) 34, no. 1 (April 30, 2018): 59-65. Accessed October 19, 2024. https://mail.ccrjournal.com/index.php/ccrj/article/view/308.