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S.S.A. SHARAWI; E.M. EL-NAHAS; A.S. EL-HABBAA
Volume 36.2, Issue 72, January 1997, Pages 44-63
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Volume 33.1, Issue 65, April 1995, Pages 1-10
EMAN M.A. HASOUNA; A. K. AHMED; H. BADAWI
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EMAN M. HASOUNA; A.K. AHMED; H. BADAWI