00373pab a2200133 454500008004000000100001900040245005200059260000900111300001300120650003100133650001400164700002400178773003700202180718b2006   xxu||||| |||| 00| 0 eng d  aKahlon, Simrit  aPollution in residential areas of Ludhiana city  c2006  ap.45-56.  aPollution - India - Punjab  aPollution  aBrar, Karanjot Kaur  aResearch Journal Social Sciences