Gonçalves, Paulo de Souza, et al. “Origen, Variabifity and Damestication Cl Hevea; A Review”. Pesquisa Agropecuaria Brasileira, vol. 25, no. 2, Apr. 2014, pp. 135-56, https://doi.org/10.1590/S1678-3921.pab1990.v25.13355.