Wahyu Susilo, Agung, Surip Mawardi, and Sudarsianto Sudarsianto. 2009. “Yield Performance of the Cocoa Clones of Sca 6 and DRC 15 Resistant to Vascular-Streak Dieback”. Pelita Perkebunan (a Coffee and Cocoa Research Journal) 26 (3). https://doi.org/10.22302/iccri.jur.pelitaperkebunan.v26i3.136.