Habib, Amal Abdul S., and Alyaa Muhsin Yousif. “Effect of Nano-Zirconium Oxide and Other Applications on Cowpea Seedlings Growth Under T Salt Stress”. Iraqi Journal of Science 59, no. 2C (June 27, 2018): 1006-1011. Accessed November 29, 2021. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/339.