Souza, Z. da S.; Barcellos, F. M.; Koller, O. C. Effects Op Gibberellins GA4 7 and Cytokinin 6-BA on the Apple Fruit. PAB 2014, 17 (11), 1639-1646. https://doi.org/10.1590/S1678-3921.pab1982.v17.16383.