SAAD AHMED MOHAMMED AL-DOORI, D. A Study of the Importance of Sowing Dates and Plant Density Affecting Some Rapeseed Cultivars (Brassica napus L.). College of Basic Education Research Journal, [S. l.], v. 11, n. 1, p. 615–632, 2012. Disponível em: https://jeh.uomosul.edu.iq/index.php/berj/article/view/38259. Acesso em: 27 oct. 2025.