William, J.G Quality Management towards producing competent workforce: A case of Hospitality Technical Institutions in Dar es salaam City/ Jesca Gordon William.- - Dar es salaam: The Open University of Tanzania, 2017. - xviii, 79p.: ill.; 30cm. Includes bibliographical references Subjects--Topical Terms: Dewey Class. No.: EA.THE.338.47919678 WIL