Pages 12-27
Khaled Muhammad Ali Muhammad
Pages 28-52
Seifelislam A. Marzouk; M.M. Abou Al-Sood; Emad M.S. El-Said; M.M. Younes; Magda K. El-Fakharany
Pages 53-68
Muhammad H.G Alsaadawy; Montasser Marasy dewidar; Ahmed Hussein Said; Ibrahem Maher Sultan; Taher A. Shehabeldeen
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