| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Development of consumption, commercial production and marketing | 978-9988-7600-0-7 (9988-7600-0-0) | 1995 |
| Marketing of Ghana cocoa, 1885-1992 | 978-9988-7600-1-4 (9988-7600-1-9) | 1998 |
| The story of cocoa, coffee, and sheanut: Environmental issues and food values | 978-9988-7600-2-1 (9988-7600-2-7) | 2000 |