Soil - geomorphic relationships in the vicinity of Niamey, Niger 1989 Wilding, L. P. | Daniels, Ray |
Biological diversity in Niger : a preliminary assessment commissioned by the United States Agency for International Development 1991 Millington, S. J. | Tiega, Anada | Newby, J. E. |
Namibia's green plan, environment and development : Namibia's green plan to secure for present and future generations a safe and healthy environment and a prosperous economy 1991 Brown, C. J. |
Estrategia regional para el desarrollo sostenible de Bocos del Toro - Panama 1990 Alvarado, Ramón | Imbach, Alejandro |
Norwegian aid and the environment in Mozambique : the issues 1990 Cherret, I. | Kirkby, J. | Marleyn, O. | Munslow, Barry | O'Keefe, P. |