Ellwanger, W., & Graf, L. (1979). The specific qualities of a school television programme. Theme IV. Seventeenth EBU International Seminar on School Television..
ISBD Citation"The specific qualities of a school television programme. Theme IV" Seventeenth EBU International Seminar On School Television. .
MLA CitationEllwanger, Wolfram, and Ludwig Graf. "The Specific Qualities of a School Television Programme. Theme IV." Seventeenth EBU International Seminar On School Television. 1979.
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