Fahira, N., Latunra, A. and 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), pp. 184-200. doi: 10.22302/iccri.jur.pelitaperkebunan.v39i3.565.