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Creator
- Egypt. Wizārat al-Rayy 4
- El-Sawaby, M. S. 2
- Gibson, Diana 2
- Kolars, John F. 2
- Shalash, S. (Salah), 1929- 2
- Société de chimie industrielle (France) 2
- Zikri, B. S. 2
- Abu al-Nil, Muwaffaq 1
- Aly, Osama A. 1
- Associates for Middle East Research 1
- Barghouti, Shawki M. 1
- Benedick, Richard Elliot 1
- Clyma, Wayne, 1935- 1
- El-Dessouky, Hisham T. 1
- El-Sebae, Abdel Khalek Hamed 1
- Elkington, John 1
- Euroconsult (Organization) 1
- Fahmy, Eng Sarwat H. 1
- Feltz, Herman R. (Herman Ray), 1926- 1
- Food and Agriculture Organization of the United Nations 1