AKPANINYANG, F.; A. OKPARA, D.; C., J. Integrated nutrient management for orange-fleshed sweet potato in south eastern Nigeria. Uganda Journal of Agricultural Sciences, [S. l.], v. 14, n. 2, p. 117–123, 2013. Disponível em: http://journal.naro.go.ug/index.php/ujas/article/view/365. Acesso em: 4 dec. 2024.