“Callus Formation of Coffea Canephora Induced With 2,4 Dichlorophenoxyacetic Acid and Tomato Extract Supplements”. Pelita Perkebunan (a Coffee and Cocoa Research Journal), vol. 39, no. 3, Dec. 2023, pp. 184-00, https://doi.org/10.22302/iccri.jur.pelitaperkebunan.v39i3.565.