Bamuaafa م. س. س.; Fadel ر. م. ع.; Al-Koor ب. ع. س. Effect of some intercropping systems cowpea with maize on land equivalent ratio. University of Aden Journal of Natural and Applied Sciences, [S. l.], v. 21, n. 2, p. 217–224, 2017. DOI: 10.47372/uajnas.2017.n2.a01. Disponível em: https://uajnas.adenuniv.com/index.php/uajnas/article/view/246. Acesso em: 4 apr. 2025.