Morgado, L. B., and M. A. Rao. “Plant Population and Water Application in Maize-Cowpea Intercropping”. Pesquisa Agropecuaria Brasileira 20, no. 1 (April 16, 2014): 45–55. Accessed November 11, 2025. https://apct.sede.embrapa.br/pab/article/view/14975.