Nicol, Ian Gilbert2018-04-092018-04-091960-09Nicol, I.G. (1960, September). A very valuable source book for those interested in audio-visual aids: [Review of the book Audio-visual instruction: Materials and methods by James Watson Brown, Richard Byrd Lewis and Fred F. Harcleroad (New York: McGraw-Hill)]. Symposium: A Journal for Education in Southern Africa, p. 93.https://hdl.handle.net/10539/24329Book reviewenUniversity of the Witwatersrand, Johannesburg. 1960-1978.A very valuable source book for those interested in audio-visual aids: [Review of the book Audio-visual instruction: Materials and methods by James Watson Brown, Richard Byrd Lewis and Fred F. Harcleroad (New York: McGraw-Hill)]Other