TY  - BOOK
TI  - Health research methodology : a guide for training in research methods
SN  - 9290611359
U1  - 610.72 
PY  - 1992///
CY  - Manila
PB  - WHO
KW  - RESEARCH
KW  - Research methods
KW  - Heath Services Research-methods
KW  - Research Design
ER  -