“Mapping Coffee Base Countries in the World: Case Studies from Three Continents (Africa-America-Asia)”. Pelita Perkebunan (a Coffee and Cocoa Research Journal), vol. 40, no. 1, Apr. 2024, pp. 61-75, https://doi.org/10.22302/iccri.jur.pelitaperkebunan.v40i1.593.