"La préface indique : "The material published herein is based on an interim report "Manpower and instructional media : a study of jobs, personnel, and training" developed by the Department of audiovisual instruction pursuant to a grant with the Office of education, US Department of health, education, and welfare""
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This is a placeholder reference for a Topic entity, related to a WorldCat Entity. Over time, these references will be replaced with persistent URIs to VIAF, FAST, WorldCat, and other Linked Data resources.