00467nam a22001457a 4500020001500000082001300015100002600028245006000054250000800114260007100122300000900193490003600202500006000238654002300298 a8187621532 a300bVAL aValsalakumar, N  aEnvironmental quality and health in Nattakom panchayat  aNil aThiruvananthapuram , KeralabCentre for development studies c2003 a48p. aDiscussion paper series ; No.50 aKerala Research on programme on Local level Development aGeneral Miscellany