2017. Morphological Variation of Somatic Embryos of Coffea arabica L. During Some Sub-Culture Periods. Pelita Perkebunan (a Coffee and Cocoa Research Journal). 33, 2 (Aug. 2017), 97–708. DOI:https://doi.org/10.22302/iccri.jur.pelitaperkebunan.v33i2.263.