TY - BOOK AU - Goodwin,Arthur B. TI - Handbook of audio-visual aids and techniques for teaching elementary school subjects SN - 0133740900 AV - LB1043 .G6 U1 - 372.1/3/3 PY - 1969///] CY - West Nyack, N.Y. PB - Parker Pub. Co. KW - Education, Elementary KW - Audio-visual aids KW - Audiovisual Aids KW - Teaching N1 - Bibliography: p. 215 ER -