Havighurst , Robert J. , <br/><br/>
Current sociology la sociologie contemporaine /  community research / 
Robert J. Havighurst , Anton J. Jansen . 
 - Paris :  Mouton&co ,  1968 . 
 - 120 p. ;  23 cm. 
<br/><br/><label>LC Class. No.: </label>HT110