Wildlife conservation and forest management in the Gola forest reserves, Sierra Leone 1983 Davies, A. G. |
Tropical forestry action plan : interagency forestry sector review - Sierra Leone - mission report 1990 Allen, T. |
Diversité des systèmes de production sous l'angle de l'agroforesterie : résultats d'enquête en milieu rural au Rwanda 1989 Tassin, Jacques |
Resource inventory of Southwestern Mauritania : geology, soils, forestry, pasture - renewable resource management 1982 Dalsted, Kevin | Andrawis, A. | Samuel, A. |