AHMED MOHAMED AHMED AL-DOORI, S. Effect of Plant Densities on Growth, Yield Components and Quality of Some Sunflower Cultivars ( Helianthus annuus L.). College of Basic Education Research Journal, [S. l.], v. 12, n. 2, p. 765–776, 2013. Disponível em: https://stats.uomosul.edu.iq/index.php/berj/article/view/39607. Acesso em: 26 oct. 2025.