Filho, Francisco Rodrigues Freire, Milton José Cardoso, and Antônio Gomes de Araújo. 2014. “Cowpea: Scientific and Common Names”. Pesquisa Agropecuaria Brasileira 18 (12):1369-72. https://doi.org/10.1590/S1678-3921.pab1983.v18.15501.