Die Afrikaanse Protestantse Akademie Biblioteek

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Die Afrikaanse Protestantse Akademie NPC
Langschmidt, Wally.

Reliability of response in readership research / by Wally Langschmidt, issued by the S.A. Advertising Research Foundation. - Sandton City, South Africa : S.A. Advertising Research Foundation, 1978. - 148 p. ; 22 cm.


Advertising--South Africa.

659.1072
Die Afrikaanse Protestantse Akademie Die Afrikaanse Protestantse Akademie NPC