Horkheimer, Patricia A., and Diffor, John W. Educators' Guide to Free Slidefilms. Randolph, Wisconsin: Educators' Progress Service, 1951. 151 p. $3.00

• Book ID: 112193355
• Publisher: John Wiley and Sons
• Year: 1952
• Tongue: English
• Weight: 106 KB
• Volume: 36
• Category: Article
• ISSN: 0097-0352
• DOI: 10.1002/sce.3730360134