Petticrew, Mark

[NT 60487] Overview

[NT 60478] Works:	1 [NT 60520] works in 1 [NT 60521] publications in 1 [NT 60522] languages

[NT 60480] Titles

Systematic reviews in the social sciences : a practical guide [NT 59711] by: Petticrew, Mark; Roberts, Helen (1949-) ([NT 8598] Electronic resources)

[NT 60479] Subjects