Aljaf, Mouhannad Mahmood, et al. “Effect of Nano-Zinc Foliar Spraying on Anatomical Characteristics of Soybean (Glycine Max) Plants”. Ibn AL-Haitham Journal For Pure and Applied Sciences, vol. 38, no. 4, Oct. 2025, pp. 75-81, https://doi.org/10.30526/38.4.4137.