Mwasanyamba, Farajani Assessment of the impact of labour laws on operational efficieny workplace : a case study of private and government bsectors in Dar es Salaam - Dar es Salaam,Unive University of Dar es Salaam; 2016. - xi, 81p. ; ill. : 30cm Includes bibliographical references Subjects--Topical Terms: Labour laws and legislation, Tanzania LC Class. No.: THS EAF KT125.M852