Raham AR, Al-Rubaiee AA, Al-Kubaisy MH, Esmaeel SN. Studying the thinning Effect of Longitudinal development in Extensive Air Showers for Primary Proton and Iron Nuclei at Ultra-High Energies. Al-Mustansiriyah Journal of Science [Internet]. 2020 Aug. 20 [cited 2024 May 4];31(3):114-8. Available from: https://mjs.uomustansiriyah.edu.iq/index.php/MJS/article/view/843