Al Saedi, Jamal K., Ramla D. Alalawy, and Nada M. Hasan. 2018. “Determination the Concentration Elements of Cultivation Media (Peat Moss, Perlite and Hormone) Using X-Ray Fluorescence Technique”. Iraqi Journal of Science 59 (4A): 1769-77. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/398.