Helms, Donald B. <br/><br/>
Exploring child behavior / 
Donald B. Helms, Jeffrey S. Turner 
 - 2nd ed. 
 - New York :  Rinehart and Winston,  1981 
 - 539 p. ;  26 cm. 
<br/><br/>Includes index Bibliography : p.479-508 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child psychology