Bar-Tal, Daniel. <br/><br/>
Prosocial behavior :  theory and research / 
Daniel Bar-Tal. 
 - Washington :  New York :  Hemisphere Pub. Corp. ;  distributed by Halsted Press,  c1976. 
 - x, 197 p. :  ill. ;  24 cm. 
<br/><br/> Includes indexes. 
<br/><br/><label>ISBN: </label>0470152230 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Helping behavior.<br/>Altruism.<br/>Social behavior.
<br/><br/><label>Dewey Class. No.: </label>136  / BAR N76P