Tesha, Helena Thomas The Effectiveness of the Open Performance Review and Appraisal System Tools in Tanzania: A Case of PSSSF in Dodoma City/ Helena Thomas Tesha. - Dar es Salaam: The Open University of Tanzania, 2023. - xvi,70p.: ill.; 30cm. Includes Bibliographical Reference Subjects--Topical Terms: --Appraisal System Tools in Tz Dewey Class. No.: EA.DIS.658.09678 TES