Gonçalves, Paulo de Souza, Mário Cardoso, and Altino Aldo Ortolani. 2014. “Origen, Variabifity and Damestication Cl Hevea; A Review”. Pesquisa Agropecuaria Brasileira 25 (2):135-56. https://doi.org/10.1590/S1678-3921.pab1990.v25.13355.