Number of Articles: 15 |
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1 |
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| Volume 41, Issue 3, September 2016, Page 16-25 |
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Ahmed Mahmoud Hasan Eldebsi; Ahmed Ramzi Abbas Ahmed; Helmy El Sayed Gad |
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2 |
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| Volume 37, Issue 4, December 2012, Page 98-116 |
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Helmy Gad; Safya M. El-Gayar |
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3 |
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| Volume 34, Issue 4, December 2009, Page 73-82 |
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Helmy El Sayed Gad; Safya M. El-Gayar; Hesham Helmy Gad |
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4 |
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| Volume 34, Issue 2, June 2009, Page 71-92 |
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Berge Ohanness Djebedjian; Helmy El Sayed Gad; Ibrahim Khaled; Magdy Mohamed Abou Rayan |
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5 |
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| Volume 24, Issue 4, December 1999, Page 1-13 |
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Helmy El-Sayed Ibrahim Gad; Ahmed Mohamed Hamed Kandel; Ibrahim Ibrahim Ali El-Sharkawy |
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6 |
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| Volume 24, Issue 3, September 1999, Page 26-42 |
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Helmy El-Sayed Ibrahim Gad; Hesham M. Mostata |
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7 |
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| Volume 22, Issue 2, June 1997, Page 11-21 |
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Ahmed Mohamed Hamed Kandel; Helmy El-Sayed Ibrahim Gad; S. El-Sayed |
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8 |
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| Volume 18, Issue 4, December 1993, Page 84-95 |
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Helmy El-Sayed Ibrahim Gad; Mohamed El-Saeed Tolba |
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9 |
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| Volume 18, Issue 4, December 1993, Page 1-17 |
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Adel Mohamed Ali El-Hadidy; Mahmoud Mohamed El-Sayed El-Zalabany |
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10 |
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| Volume 18, Issue 3, September 1993, Page 1-10 |
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Helmy Gad; Magdi Mohamed Abou-Rayan |
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11 |
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| Volume 17, Issue 3, September 1992, Page 52-60 |
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Helmy El Sayed Gad |
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12 |
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| Volume 14, Issue 1, June 1989, Page 92-105 |
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H. E. Gad |
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13 |
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| Volume 13, Issue 1, June 1988, Page 49-61 |
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Helmy El-Sayed Ibrahim Gad; H. A. El-Seddiek; Mahmoud Moustafa Ali Awad |
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14 |
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| Volume 12, Issue 1, June 1987, Page 23-33 |
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Helmy El-Sayed Ibrahim Gad; H. A. El-Seddiek; M. M. Awad |
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15 |
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| Volume 12, Issue 1, June 1987, Page 34-42 |
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Helmy El-Sayed Ibrahim Gad; A. M. Hamed |
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