TY  - BOOK
AU  - Gough,David
AU  - Oliver,Sandy
AU  - Thomas,James
TI  - An introduction to systematic reviews
SN  - 9781473929432
PY  - 2017///
CY  - Los Angeles
PB  - SAGE
KW  - Research
KW  - Methodology
KW  - Social sciences
KW  - Evaluation
N1  - Includes bibliographical references and index
ER  -