Author = L. M. Abdel-Hafez
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Volume 42, Issue 2, July 2023, Pages 101-113

Yasser Rifat Tawfic; Mohamed Y. Farid; Kamal Abbas Assaf; Laila mahmoud M. Abdel-Hafez


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Volume 39, Issue 1, January 2020, Pages 63-76

A. S. Abdel-zaher; L. M. Abdel-Hafez; Y. R. Tawfic; M. E. Abdel-fattah