BUKH JETTE  EWUSI KODWO, GRUCHMAN B., KRASINSKI Z. MATHEW N.T. <br/><br/>
MEASUREMENT AND ANALYSIS OF PROGRESS AT THE LOCAL LEVEL 

 - VOL.II 
 - GENEVA:  1978. 
<br/><br/><label>Dewey Class. No.: </label>338.9 BUK