“Embryo Germination Development of Coffea arabica L.at Various Media Composition, Subcultures Stages and Embryo Size” (2017) Pelita Perkebunan (a Coffee and Cocoa Research Journal), 33(3), pp. 156–167. Available at: https://www.ccrjournal.com/index.php/ccrj/article/view/ (Accessed: 1 May 2026).