Serpa, Aryno. “Enviromental Influence on Seed Permeability of Centrosema Pubescens”. Pesquisa Agropecuaria Brasileira, vol. 6, no. 1, Apr. 2014, pp. 151-3, https://doi.org/10.1590/S1678-3921.pab1971.v6.17657.