| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Multinationals and Employment in a West African Sub-Region: Liberia and Sierra Leone | 978-92-2-103623-4 (92-2-103623-5) | 1984 |
| The Impact of Multinational Enterprises on Emplyment, Training and Regional Development in Namibia and Zimbabwe: a Preliminary Assessment | 978-92-2-111443-7 (92-2-111443-0) | 1999 |
| The Lagos Chamber of Commerce and Industry and the Nigerian economy: 1888-1988 | 978-978-2030-01-6 (978-2030-01-5) | 1989 |