A. M. AL-DOORI, S.; Y. H. AL-DULAIMY, M. Influence of Zinc Fertilization levels on Growth, Yield and Quality of Some Sunflower Genotypes (Helianthus annuus L.). College of Basic Education Research Journal, [S. l.], v. 11, n. 4, p. 741–730, 2012. Disponível em: https://stats.uomosul.edu.iq/index.php/berj/article/view/39127. Acesso em: 26 oct. 2025.