Prince, Daniel B..
Video Enhances the Effectiveness of Management Trainers in Ghana. - Washington-WAU : Clearinghouse, 1982. - p. 3,6 - Irregular - No. 38 (Jun.1982) - Development communication report ; no. 38 .
Inglés.
Video Enhances the Effectiveness of Management Trainers in Ghana. - Washington-WAU : Clearinghouse, 1982. - p. 3,6 - Irregular - No. 38 (Jun.1982) - Development communication report ; no. 38 .
Inglés.