Theophil, Prosper Matumizi ya lugha na utambulisho wa jamii ya Wahaya waishio Dar es Salaam - Dar es Salaam. University of Dar es Salaam. 2012. - xii,81p.: : ill. ; 30cm. Includes bibliographical references Subjects--Topical Terms: Haya language, Dar es Salaam LC Class. No.: THS EAF PL8834.T4756