Saad A. M. Al-Doori, D. (2012) “Effect of Leaves Defoliation and Plant Density on Growth, Yield and Quality of Some Sunflower Genotypes (Helianthus annuus L., Compositae)”, College of Basic Education Research Journal, 11(3), pp. 724–751. Available at: https://moss.uomosul.edu.iq/index.php/berj/article/view/39266 (Accessed: 26 October 2025).