Ahmed, H. A. “Bulk Etch Rate Measurement of Cr-39 Detector at Constant Normality Using The Diameters and The Lengths of The Tracks of Α-Particles”. Science Journal of University of Zakho, vol. 2, no. 2, Dec. 2014, pp. 382-8, https://sjuoz.uoz.edu.krd/index.php/sjuoz/article/view/260.