| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Forage legumes for sustainable agriculture, and livestock production in subhumid West Africa | 978-92-9146-057-1 (92-9146-057-5) | 1999 |
| Methods for the Evaluation of Forage Legumes, Grasses and Fodder Trees for Use As Livestock Feed | 978-92-9146-004-5 (92-9146-004-4) | 1995 |