Brighenti, A. F., Würz, D. A., Pasa, M. da S., & Rufato, L. (2017). Plant growth regulators to enhance fruit color of ’Gala’ apples. Pesquisa Agropecuaria Brasileira, 52(11), 1118–1122. https://doi.org/10.1590/S1678-3921.pab2017.v52.25001