Stanley Samuel Mwenenganga Mwabulambo Factors influecing service quality : a case study of Tanzanian phone companies - Dar es Salaam :University of Dar es Salaam 2006 - xii, 208p. :ill. : 30cm. Includes bibliography Subjects--Topical Terms: Customer servicesTelephone systems, Tanzania LC Class. No.: THS EAF HF5415.5.T34M85