-MAHMOD, A. A.; AL-SAIDI, A. J. H .; SALTERN, K. A. Effect of Interaction Betw·een Phosphorus and Zink in Some Morphological Features of Two Varieties of Wheat Grown in Gypsum Soil. Ibn AL-Haitham Journal For Pure and Applied Sciences, Baghdad, Iraq., v. 21, n. 3, p. 37–55, 2017. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/1403. Acesso em: 15 mar. 2025.