01001cam a2200265Ia 4500001001300000003000600013005001700019008004100036035002000077040004200097043001200139045001100151082001700162090002400179100003100203245012800234260007900362300002100441650003800462710005700500942001500557948004500572999001700617952010100634ocm35133543 OCoLC20151023231636.0960724s1978    sa       s    000 0 eng d  a(OCoLC)35133543  aOKZbengcOKZdORUdOCLCQdUW1dOCLCQ  af-sa---2 b19780104a659.1072219  aHF5815.S6bL36 19781 aLangschmidt, Wally.93980110aReliability of response in readership research /cby Wally Langschmidt, issued by the S.A. Advertising Research Foundation.  aSandton City, South Africa :bS.A. Advertising Research Foundation,c1978.  a148 p. ;c22 cm. 0aAdvertisingzSouth Africa.9398021 aSouth Africa Advertising Research Foundation.939800  2ddccBK00  hNO HOLDINGS IN ZAAPA - 10 OTHER HOLDINGS  c18072d18072  00102ddc4070aDAPAbDAPAd2013-07-03l0o659.10 LANpAPA058643r2013-07-03t1w2013-07-03yBK