Text ( visual ) : unmediated Experimental marketing / E.J. Davis. -- [New York] : American Management Association , c1970. -- x, 186 p. : ill. ; 25 cm. -- Consulting editors: Thomas Kempner, Sidney Maxwell ; Includes bibliographical references (p. 183-184) and index. -- ISBN 0814452655 ; (BA24435395) ; https://ci.nii.ac.jp/ncid/BA24435395 Author Heading(s): Davis, E. J. (Edwin John) ; Kempner, Thomas ; Maxwell, Sidney. -- Classification(s): LCC : HF5415.2 ; DC : 658.8/35. -- Subject Heading(s): LCSH : Marketing research