Doing field research 
John M. Johnson.  
 - 1st Free Press paperback ed. 
 - New York, N.Y.  Free Press  [1978, c1975]  
 - xiii, 225 p.  21 cm. 
<br/><br/>Includes bibliographical references and index.  
<br/><br/><label>ISBN: </label>0029166004 0029166101 (pbk.) 9780029166000 9780029166109 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evaluation research (Social action programs)--United States.<br/>Participant observation.<br/>Social sciences--Field work.<br/>Social sciences--Research.<br/>Empirische Sozialforschung.
<br/><br/><label>LC Class. No.: </label>H62  / .J5834 1978