Ghanim Majeed, Khalid, مشتاق, Yasser Taha Khlile, and یاسر. 2020. “Investigate Oblique Incident Alpha Particle Tracks on CR-39 Detector”. Journal of Education and Science (JES) 29 (3):196-210. https://doi.org/10.33899/edusj.2020.127268.1081.