,et.al, M. A. A. “Study on the Effect of Several Concentrations of Antitranspirants , Salicylic Acid and Irrigation Intervals on the Density and Distribution of Stomata on the Epidermis of Maize (zea Mays L.) Cultivated in Diwanyia”. Al-Qadisiyah Journal of Pure Science, Vol. 21, no. 3, July 2017, https://journalsc.qu.edu.iq/index.php/JOPS/article/view/39.