Prastowo, Erwin, and Rina Arimarsetiowati. 2020. “Characteristics of Coffee As a Response to Different Environmental Conditions in Lampung: I. Morphological Variations”. Pelita Perkebunan (a Coffee and Cocoa Research Journal) 35 (2), 103-18. https://doi.org/10.22302/iccri.jur.pelitaperkebunan.v35i2.357.