Erdiansyah, Novie, Ucu Sumirat, and Priyono -. 2014. “Variation of Potential Yield of Hybrid Population of Robusta Coffee (Coffea Canepor”. Pelita Perkebunan (a Coffee and Cocoa Research Journal) 30 (2), 92-99. https://doi.org/10.22302/iccri.jur.pelitaperkebunan.v30i2.3.