“Performance of Biochemical Compounds and Cup Quality of Arabica Coffee As Influenced by Genotype and Growing Altitude”. Pelita Perkebunan (a Coffee and Cocoa Research Journal) 36, no. 1 (April 30, 2020): 1–23. Accessed May 3, 2026. https://www.ccrjournal.com/index.php/ccrj/article/view/409.