Academic Press · Westview Press
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| African Economic Development | 978-0-12-519992-6 (0-12-519992-9) | 2003 | |
| Chad: A Nation In Search Of Its Future | 978-0-8133-8677-5 (0-8133-8677-2) | 1997 | Mario Azevedo |