Studies of utilization of staff, buildings, and audio-visual aids in the public schools. - National Education Association of the United States. (1959)
Keywords: Audio-visual education. / http://id.loc.gov/authorities/subjects/sh85009461; School buildings / United States. / http://id.loc.gov/authorities/subjects/sh2008111238; Teachers / United States. / http://id.loc.gov/authorities/subjects/sh92004457