2014. Variation of Potential Yield of Hybrid Population of Robusta coffee (Coffea canepor. Pelita Perkebunan (a Coffee and Cocoa Research Journal). 30, 2 (Aug. 2014), 92–99. DOI:https://doi.org/10.22302/iccri.jur.pelitaperkebunan.v30i2.3.