Mulato, Sri, Sukrisno widyotomo, and Hadi Karia Purwadaria. “Performance of Disk Mill Type Mechanical Grinder for Size Reducing Process of Robusta Roasted Beans”. Pelita Perkebunan (a Coffee and Cocoa Research Journal) 23, no. 3 (December 31, 2006). Accessed November 25, 2024. https://ccrjournal.com/index.php/ccrj/article/view/39.