“Characteristics of Quality Profile and Agribusiness of Robusta Coffee in Tambora Mountainside, Sumbawa”. Pelita Perkebunan (a Coffee and Cocoa Research Journal) 30, no. 2 (August 31, 2014): 159–180. Accessed May 1, 2026. https://www.ccrjournal.com/index.php/ccrj/article/view/.