Studying children  an introduction to research methods/ 
Ross Vasta. 
 - San Francisco  W. H. Freeman  1979 
 - xi, 212 p ill 24 cm 
 - A series of books in psychology .
<br/><br/>Includes bibliographies and indexes 
<br/><br/><label>ISBN: </label>0716710676 0716710684pbk 
<br/><br/><label>LCCN: </label>78-25941 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child psychology--Methodology<br/>Child psychology--Research