Bako Baon, J., Anugrina, Y., & Ismayadi, C. (2006). Study on Competition Characteristics of a Land Cover Crop Arachis pintoito Growth of Cocoa. Pelita Perkebunan (a Coffee and Cocoa Research Journal), 22(3). https://doi.org/10.22302/iccri.jur.pelitaperkebunan.v22i3.46