Number of Articles: 6 |
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1 |
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| Volume 31.1, Issue 61, April 1994, Page 135-162 |
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S.S. EL-BALLAL; K. EL-ZANATY |
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2 |
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| Volume 30.2, Issue 60, January 1994, Page 306-319 |
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T.Y. ABD-EL-MOTELIB; S.S. EL-BALLAL; BAHY EL-GAMAL GALAL |
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3 |
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| Volume 28.2, Issue 56, January 1993, Page 171-175 |
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S.S. EL-BALLAL; S.H. AFIFI |
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4 |
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| Volume 28.1, Issue 55, October 1992, Page 158-173 |
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H.A. SALEM; S.S. EL-BALLAL; A.Sh. SEDDEK |
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5 |
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| Volume 27.1, Issue 53, April 1992, Page 47-54 |
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A.M. KELANY; S.H. AFIFI; S.S. EL-BALLAL |
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6 |
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| Volume 27.1, Issue 53, April 1992, Page 295-304 |
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B. SALEM; S.S. EL-BALLAL |
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