Soumelis, Constantin G <br/><br/>
Project evaluation methodologies and techniques 
Constantin G. Soumelis 
 - Paris  Unesco  1977 
 - 137p. : ill. ; 24cm 
<br/><br/>Bibliography: p. 112-114 
<br/><br/><label>ISBN: </label>9231014560 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evaluation research (Social action programs)<br/>Educational surveys