Menard, Scott <br/><br/>
Longitudinal research 

 - Newbury Park, Calif. :  Sage,  1991 
 - 81 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIAL SCIENCES--RESEARCH--LONGITUDINAL STUDIES
<br/><br/><label>LC Class. No.: </label>H62  / M462L