ABDULLAHI, I.; ANYAEGBU, P.; ALIAGBOR, D. Effects of Moringa oleifera LAM, Leguminous Plants and NPK Fertilizer Comparatively on Orange Fleshed Sweet Potato in Alley Cropping System. International Journal of Environment, [S. l.], v. 3, n. 3, p. 24–35, 2014. DOI: 10.3126/ije.v3i3.11061. Disponível em: https://nepjol.info/index.php/IJE/article/view/11061. Acesso em: 28 may. 2022.