TY  - BOOK
AU  - Petticrew Mark
AU  -  Roberts Helen
TI  - Systematic reviews in the social sciences:  A pract   
SN  - 13:9781405121101
U1  - Yg, P6 
PY  - 2006///
CY  - Malden
PB  - Blackwell Publishing         
KW  - Geography
N1  - Bibliography p298-323; Appendix p284-297; Glossary p277-283
ER  -