TY  - BOOK
AU  - SIDANI,Souraya
TI  - Health intervention research: understanding research design and methods
SN  - 9781446256176
PY  - 2014///
CY  - London 
PB  - Sage
KW  - Public health
KW  - Research
KW  - Methodology
N1  - Includes bibliographical references and index
ER  -