Machumu, Haruni Studies in Business Communication : Principles, Skills, and Styles / Haruni Machumu and Tungu Masanja - Dar es Salaam : Karljamer Publishers, 2024. - xiv, 456 p. : ill. ; 23 cm. Includes biliography ISBN: 9789912422292 Subjects--Topical Terms: Communication skills Dewey Class. No.: 658.45 MAC