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Author:
Caffyn, John
Editor / Collaborator:
Bates, Tony; u.a.
Title:
Pre-testing commercials.
Publisher Statement:
London: CET 1978, S. 45-56.
Collection:
Formative evaluation of educational television programmes.
Language:
english
Publication Year:
1978
Publication Type:
conference paper; contribution
Descriptors:
evaluation method
;
television
;
formative evaluation
;
commercial programme