Yuliasmara, Fitria, and Fitria Ardyani. “Morphology, Physiology, and Anatomy of Penny Fern (Drymoglossum Phyloselloides)and Its Effect on Cocoa”. Pelita Perkebunan (a Coffee and Cocoa Research Journal) 29, no. 2 (August 31, 2013). Accessed November 27, 2024. https://ccrjournal.com/index.php/ccrj/article/view/60.