Anita-Sari, Indah, and Agung Wahyu Susilo. 2011. “Indication of Xenia Effect on Cocoa (Theobroma Cacao L.)”. Pelita Perkebunan (a Coffee and Cocoa Research Journal) 27 (3). https://doi.org/10.22302/iccri.jur.pelitaperkebunan.v27i3.155.