Mwalyosi, Raphael R. B. A resource management strategy for lake Manyara catchment Basen in a Tanzania Raphael R. B. Mwalyosi - Dar es Salaam University of Dar es Salaam 1992 - v,45p. ill 30cm. Subjects--Topical Terms: Institute of Resource Assessment (IRA)Lake ManyaraTanzania LC Class. No.: IRA H31.E32 I5