فهرس المقالات Ahmed M. El-Khatib المقاله 1 - A study of the validity of the efficiency transfer method to calculate the peak efficiency using γ-ray detectors at extremely large distances 10.1007/s40094-014-0120-1 Ahmed M. El-Khatib Mohamed S. Badawi Mohamed A. Elzaher Abouzeid A. Thabet Journal of Theoretical and Applied Physics , العدد 1 , السنة 0 , بهار 2014
