Moya, Roger, Róger Bonilla, and Carlos Fonseca. “Gross Heating Value of Various Shade-Trees Wood in Coffee Plantation in Costa Rica and Its Relation With Extractives and Specific Gravity”. Pelita Perkebunan (a Coffee and Cocoa Research Journal) 34, no. 3 (December 31, 2018): 183-190. Accessed October 19, 2024. https://mail.ccrjournal.com/index.php/ccrj/article/view/311.