Robertson, Dan H. <br/><br/>
Sales management :  decision making for improved profitability / 
Dan H. Robertson, Danny N. Bellenger. 
 - New York :  Macmillan,  1980. 
 - xii, 530 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0024021806 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sales management--Case studies<br/>Sales management--Problems, exercises, etc