Wahyu Susilo, A., Mawardi, S. and Sudarsianto, S. (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), 25(2). doi: 10.22302/iccri.jur.pelitaperkebunan.v25i2.131.