Khatchko, Jacob. <br/><br/>
Attitudes toward work :  a guidebook / 
Jacob C. Khatchko and Jacobson G. Khatchko [forward by] Bernardo M. Villegas. 
 -  Khatchko Industrial Relationship Services,  c1985. 
 - xx, 116 pages :  illustrations ;  18 cm. 
<br/><br/> Bibliography: page 118.