Al Rashedi, H. and حنان 2012. Effect of Different Concentrations of the Growth Regulator (IAA) and the Nickel Element in the Growth of Two Types of Trigonella foenum - graecum L. Journal of Education and Science (JES). 25, 1 (Mar. 2012), 38–54. DOI:https://doi.org/10.33899/edusj.2012.58979.