Lopes, Amélia Moema Veiga, and Vanoli José Xavier Lopes. “External Morphological Features of a Monecious Plant of Cannabis Sativa L”. Ciência e Natura 1, no. 1 (December 10, 1979): 113–120. Accessed July 15, 2024. https://periodicos.ufsm.br/cienciaenatura/article/view/24851.