Positioning :

Ries, Al.

Positioning : the battle for your mind / Al Ries, Jack Trout. - New York, United States : McGraw-Hill, c.2001 - x, 213 p. ; 21 cm.

Index : p. 211-213.

0071373586 (pbk.) 9780071373586


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--Reading book

659.1 / RIE