Kassim, M.O Effectiveness of Community Security services provided by the Police Force in preventing Armed Robbery in Arusha City / Muhsin Omary Kassim - Dar es salaam: The Open University of Tanzania, 2020. - xiv, 65 p.: ill.; 30 cm Includes bibliographical references Subjects--Topical Terms: Dewey Class. No.: EA.DIS.364.15529678 KAS