"This work is divided into three parts: “Uses” by Robert LEFRANC (Paris), in which the author discusses the advantages of the filmstrip, financial, technical, educational, as well as its limitations — He then deals with the different fields and methods of use — Part 2: “ Evaluation of the effectiveness of filmstrips” is by Mrs COPPEN (London): methods of evaluating the film during production, techniques of evaluating the filmstrip when already in circulation — Part 3: “The production of filmstrips” is the work of a study group in Mysore (India): it describes the different stages of production, the equipment necessary, the simplest and most economical processes to use." (Jean-Marie Van Bol, Abdelfattah Fakhfakh: The use of mass media in the developing countries. Brussels: CIDESA, 1971 Nr. 830, topic code 334.1)