"It is a handbook offering a necessarily brief account of each of the various types of audio-visual aid available for education — Intended for African readers, it has the virtue of practicability, but the scant attention paid to the possibilities of radio and television rather limits its scope." (Jean-Marie Van Bol, Abdelfattah Fakhfakh: The use of mass media in the developing countries. Brussels: CIDESA, 1971 Nr. 370, topic code 50)