TY - BOOK AU - Hamad,Ali Bakar TI - Customer relationship and business performance in Tanzania mobile phone companies: the case of Tigo and Zantel AV - THS EAF HF5415.5.T34H35 PY - 2010/// CY - Dar es Salaam PB - University of Dar es Salaam KW - Customer relationsip KW - Cellular telephone services KW - Tigo and Zantel KW - Tanzania N1 - Includes bibliographical references and index Thesis: MBA.( Marketing ) - University of Dar es Salaam ER -