Ferrer, D.C.2019-06-202019-06-201966Ferrer, D.C. (1966). Recent developments in the use of audio-visual aids overseas. Symposium: A Journal of Education for Southern Africa, pp. 48-51.https://hdl.handle.net/10539/27429enUniversity of the WitwatersrandTelevision in education – Great BritainProgrammed instruction – Great BritainArticle