Manirabarusha,Raphael A. Effects of Employment Contract Types on Employees' Performance at East African Community Secretariat Arusha Tanzania / by Rapahel Ayoub Manirabarusha - Dar es salaam: The Open University of Tanzania, 2017 - xvi,91p.: ill.; 30 cm. Includes Bibliographical References and Index Subjects--Topical Terms: Dewey Class. No.: EA DIS 658.31259678 MAN