Multiplication: the use of 8 mm. film in community development.
D001296:Audiovisual Aids; D003142:Communication; D003150:Community Health Workers; D003695:Delivery of Health Care; D004467:Economics; D004493:Education; D006262:Health; D006282:Health Personnel; D008402:Mass Media; D009040:Motion Pictures; D012922:Social Change; D013663:Teaching
Audiovisual Aids; Communication; Community Development; Community Workers; Delivery Of Health Care; Economic Factors; Education; Educational Activities; Educational Technics; Films; Health; Health Personnel; Mass Media; Social Development