- Author: Bernard M. Hoekman, Subidey Togan
- Language: English
- Year: 2005
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- Language: English
- Year: 2015
- Author: Bernard M. Hoekman Michel M. Kostecki
- Language: English
- Year: 2010
- Author: Ahmed Galal Bernard M. Hoekman
- Language: English
- Year: 2003
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- Language: English
- Year: 2007
- Author: Bernard M. Hoekman
- Language: English
- Year: 1995
- Author: Bernard M. Hoekman Hana Khayr Al-Din
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- Year: 2000
