Tunjung Sari, A., Misnawi, M., Pudjiastuti, P. and Baktir, A. 2018. Depressive Behavior of Rats Consuming Cocoa Powder and Cocoa Extract. Pelita Perkebunan (a Coffee and Cocoa Research Journal). 34, 2 (Aug. 2018), 90-94. DOI:https://doi.org/10.22302/iccri.jur.pelitaperkebunan.v34i2.317.