فهرس المقالات Eman M. Ibrahim المقاله 1 - Nano-structured natural bentonite clay coated by polyvinyl alcohol polymer for gamma rays attenuation 10.1007/s40094-019-0332-5 Ibrahim Z. Hager Yasser S. Rammah Hossam A. Othman Eman M. Ibrahim Sayed F. Hassan Fawzy H. Sallam Journal of Theoretical and Applied Physics , العدد 1 , السنة 0 , بهار 2019
