Pages 13-23
Mohamed Elsaid Abdel-Motaleh
Pages 1-10
Mohamed Ibrahim El-said Ibrahim
Pages 1-12
Farouk Mohamed Okasha El-Sayed; Salah Hassan Yousef El-Emam; G. Zaatar
Pages 13-25
Mohamed Ghassoub Saafan
Pages 41-52
Y. E. Abdel-Ghaffar; Ahmed Abd El-Razek Ahmed Sultan
Pages 53-64
Mohamed Ghassoub Saafan
Pages 65-70
Mohamed Ghassoub Saafan