List of Articles Ahmed M El-Khatib Article 1 - Calculation of full-energy peak efficiency of NaI (Tl) detectors by new analytical approach for parallelepiped sources 10.1186/2251-7235-7-52 Ahmed M El-Khatib Mohamed S Badawi Mona M Gouda Slobodan I Jovanovic Aleksandar D Dlabac Nikola N Mihaljevic Sherif S Nafee Ekram A El-Mallah Journal of Theoretical and Applied Physics , Issue 1 , Year , Winter 2014
