El educador frente a los medios auxiliares
By: [por] Oscar C. del Rosal.
Series: Biblioteca pedagogica.  Sección 2: Metodologia,; t. 3
Publisher: Editorial Guadalupe
Published: 1968
Place of publication: [Buenos Aires]
Language: spa
Number of pages: 190
Subjects: Audio-visual education.
Notes: Bibliography: p. 189-190.