“Confirmation of Transgenic Robusta Coffee (Coffea Canephora) Transformed by Chitinase-Encoding Gene and Its Propagation Through Somatic Embryogenesis”. Pelita Perkebunan (a Coffee and Cocoa Research Journal), vol. 21, no. 2, Aug. 2005, https://mail.ccrjournal.com/index.php/ccrj/article/view/16.