Environmental polluction management: proceedings of a seminar heald at the faculty of engineering University of Dar es Salaam, 23rd Septembe 1992 - Dar es Salaam: University of Dar es Salaam, 1992. - 38p.: 30cm. Includes bibliographical referrences Subjects--Topical Terms: PollutionManagmentEnvironmental aspectsCongresses LC Class. No.: FCM TD188.5.A354E58