TY - BOOK AU - Harri,Herman R. TI - The production of educational media in Tanzania schools: : problems and prospects: a brief survey of Iringa district AV - THS EAF LB1043.T3H3 PY - 1990/// CY - Dar es Salaam PB - : University of Dar es Salaam KW - Audio KW - Visual education KW - Tanzania KW - Media and education N1 - Includes references Thesis, (M. A. - Ed.) , University of Dar es Salaam ER -