Kihwelo, Sikujua Edward The Effects of Open Performace Review and Appraisal System (OPRAS) Implementation to Employees' Job Performance in Mbeya District Council/ Sikujua Edward Kihwelo - Dar es Salaam: The Open University of Tanzania, 2022. - xv, 85p .: ill .; 30cm. Includes Bibliography Reference Subjects--Topical Terms: --Employees' Job Performance Dewey Class. No.: EA.DIS.658.31259678 KIH