Research techniques for program planning, monitoring, and evaluation 
Irwin Epstein and Tony Tripodi.  
 - New York  Columbia University Press  1977.  
 - 178 p.  24 cm. 
<br/><br/>Includes bibliographies and index.  
<br/><br/><label>ISBN: </label>0231039441 9780231039444 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evaluation research (Social action programs)<br/>Social service--Research--United States.<br/>âEvaluation des programmes d'action sociale--Recherche.<br/>Service social--Recherche--âEtats-Unis.<br/>Onderzoeksmethoden. gtt 
<br/><br/><label>LC Class. No.: </label>HV95  / .E67