Nuru, Hassan The structure and function of the social system: the case study of Tanga Cement Company, Tanga, Tanzania - Dar es Salaam University of Dar es Salaam 2002 - viii,36p. ill. 30cm. Includes bibliographical referencesResearch paper (B.A. Sociology) Subjects--Topical Terms: Tanzania LC Class. No.: SOC RES HD6957.T34N8