Velasco Martínez, Fernanda, et al. “In Vitro Cultivation of Petals of Four Varieties of Begonia Elatior”. Revista Mexicana De Ciencias Agrícolas, vol. 9, no. 6, Sept. 2018, pp. 1208-16, https://doi.org/10.29312/remexca.v9i6.1585.