Cocoa Production as Affected by Shade Tree Species and Soil Quality. Pelita Perkebunan (a Coffee and Cocoa Research Journal), [S. l.], v. 34, n. 2, p. 80–89, 2018. DOI: 10.22302/iccri.jur.pelitaperkebunan.v34i2.316. Disponível em: https://mail.ccrjournal.com/index.php/ccrj/article/view/316. Acesso em: 16 jun. 2026.