Gellerman, Saul William, <br/><br/>
Motivación y productividad 
Saul W. Gellerman ; traductor: E. Quijano R. 
 - México  Editorial Diana  1979. 
 - 325 p. 
<br/><br/> Translation of : Motivation and productivity. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology, Industrial<br/>Labor productivity<br/>Motivation (Psychology)