Mark, Raymond. <br/><br/>
Research made simple :  a handbook for social workers / 
Raymond Mark 
 - Thousand Oaks, Calif. :  Sage Publications,  c1996 
 - xviii,, 413 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 385-389) and index. 
<br/><br/><label>ISBN: </label>0803974264 (acid-free paper) 0803974272 (pbk. : acid-free paper) 
<br/><br/><label>LCCN: </label>95-041740 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human services--Research.<br/>Social service--Research.<br/>Cứu trợ xã hội<br/>Dịch vụ xã hội<br/>Sociology.
<br/><br/><label>LC Class. No.: </label>HV11  / .M3492 1996 
<br/><br/><label>Dewey Class. No.: </label>361.3  / MAR 1996