Fahira, N., Latunra, A., & Johannes, E. (2023). Callus formation of Coffea canephora induced with 2,4 dichlorophenoxyacetic acid and tomato extract supplements. Pelita Perkebunan (a Coffee and Cocoa Research Journal), 39(3), 184-200. https://doi.org/10.22302/iccri.jur.pelitaperkebunan.v39i3.565