00457pab a2200133 454500008004000000100001900040245014800059260000900207300001400216362000800230650003000238700002500268773003000293180718b2006   xxu||||| |||| 00| 0 eng d  aPetersen, Dana  aCommunity-based participatory research as a tool for policy change: a case study of the Southern California environmental justice collaborative  c2006  ap.339-53.  aMar  aEnvironmental legislation  aBaden, Andrea Corage  aReview of Policy Research