Wiryadiputra, Soekadar. 2014. “Distribution Pattern of Coffee Berry Borer (Hypothenemus Hampei) on Arabica and Robusta Coffee”. Pelita Perkebunan (a Coffee and Cocoa Research Journal) 30 (2), 123-36. https://doi.org/10.22302/iccri.jur.pelitaperkebunan.v30i2.5.