TY  - BOOK
AU  - Mark,Raymond
TI  - Research made simple: a handbook for social workers 
SN  - 0803974264 (acid-free paper)
AV  - HV11 .M3492 1996
U1  - 361.3 14
PY  - 1996///
CY  - Thousand Oaks, Calif.
PB  - Sage Publications
KW  - Human services
KW  - Research
KW  - Social service
KW  - Cứu trợ xã hội
KW  - Dịch vụ xã hội
KW  - Sociology
N1  - Includes bibliographical references (p. 385-389) and index
ER  -