Kurji, Feroz Human population densities and their changes around the major conservation areas of Tanzania - Dar es Salaam : University of Dar es Salaam, - 78p. : ill. ; 30cm. - Research Paper; 51 . Subjects--Topical Terms: TanzaniaPopulationNgorongoro districtDemographyConservation LC Class. No.: EAF QTO H31.E32 No.51