Clarke  Alan <br/><br/>
Evalualtion Research :  An Introduction to Principles Methods and Practice 

 - 1st ed. 
 - New Delhi  Sage Publications  1999 
 - 216 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EVALUATION RESEARCH / SOCIAL SCIENCES -- RESEARCH -- STATISTICS / STATISTICS
<br/><br/><label>LC Class. No.: </label>HA29  / C841E 1999