Creasey, Gary L. <br/><br/>
Research methods in lifespan development / 
Gary L. Creasey. 
 -  Allyn and Bacon  2006. 
<br/><br/>13722 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Developmental psychology - Research - Methodology
<br/><br/><label>LC Class. No.: </label>BF713  / Cre