TY  - BOOK
AU  - McKown,Harry Charles
AU  - Roberts,Alvin B.,jtau
TI  - Educación audio-visual
PY  - 1954///
CY  - México
PB  - U.T.E.H.A.
KW  - Audio
KW  - Visual education
KW  - Local
N1  - Includes bibliographical references and index
ER  -