Blankenship, Albert Breneman,  1914- <br/><br/>
Professional telephone surveys / 
A. B. Blankenship. 
 - New York :  McGraw-Hill,  1977. 
 - x, 244 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0070058628 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telephone surveys.<br/>Marketing research.