Wall, William Douglas <br/><br/>
Longitudinal studies and the social sciences /    
W. D. Wall and H. L. Williams 
 - London :   Heinemann ,   1970 
 - x, 245 p.;    19 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences --Study and teaching------
<br/><br/><label>Dewey Class. No.: </label>300.18 WAL