Ford, Donald H. <br/><br/>
Developmental systems theory :  an integrative approach / 
Donald H. Ford, Richard M. Lerner 
 - Newbury Park :  SAGE Publications,  1992 
 - 257 p. :  ill. ;  22 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0803946619 
<br/><br/><label>LCCN: </label>92-012462 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Developmental psychology<br/>Systems Theory