Victor, Pancras Informal social security systems and poverty alleviation among the elderly in contemporary Tanzania : case study Morogoro urban district - Dar es Salaam : Department of Sociology, University of Dar es Salaam, 1997 - 40p. ; 30cm. - Vol. 43 . Subjects--Topical Terms: PovertyTanzaniaMorogoroSocial security LC Class. No.: SOC RES HC79