00355pab a2200121 454500008004000000100001600040245009800056260000900154300001500163362000800178650001800186773002900204180718b2012   xxu||||| |||| 00| 0 eng d  aOffer, John  aRobert Pinker, the idea of welfare and the study of social policy: On unitarism and pluralism  c2012  ap.615-634.  aJul  aSocial policy  aJournal of Social Policy