Media type: E-Article Title: To encourage young scholars Contributor: Heinich, Robert Published: Springer Science and Business Media LLC, 1973 Published in: AV communication review, 21 (1973) 2, Seite 164-164 Language: English DOI: 10.1007/bf02768943 ISSN: 0001-2890 Keywords: Education ; Communication Origination: Footnote: