Blaisdell, Thomas C. <br/><br/>
Problems of evaluating effectiveness of development measures / 
by Thomas C. Blaisdell Jr. 
 - 18 p. ;  38 cm. 
 -  Item 
<br/><br/> Paper presented at the United Nations - UNESCO conference on Social Aspects of technical assistance programmes for economic development, Ma rch 1953. 
<br/><br/> Paid up registered users. 
<br/><br/>AR/MISR/48/2/1 
<br/><br/><br/>English 
<br/><br/> Shelf no. 1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic development.