Wiryadiputra, Soekadar. 2006. “Use of Trapping for Controlling of Coffee Berry Borer (Hypothenemus Hampei)”. Pelita Perkebunan (a Coffee and Cocoa Research Journal) 22 (2). https://doi.org/10.22302/iccri.jur.pelitaperkebunan.v22i2.37.