Human Behavior and the social environment :  A Social Systems Model   / 
Chess Wayne A.; Julia M. Norlin  
 - 2nd ed. 
 - Boston:  allyn & Bacon,  1991. 
 - xiii,447 p,: 
<br/><br/><label>ISBN: </label>02051282246 
<br/><br/><label>LC Class. No.: </label>HV40  / .C493  1991