Design, development and evaluation of low-cost educational materials : report of a regional workshop, Kuala Lumpur, 5-15 December 1977 - APEID Regional Workshop in Educational Technology with Special Reference to Development of Low-cost Educational Materials (1977 : Kuala Lumpur) (Bangkok : Unesco Regional Office for Education in Asia and Oceania, 1977)
Keywords: Teaching -- Aids and devices -- Congresses