00513pab a2200157 454500008004000000100002000040245010400060260000900164300001500173362001300188650004400201650001900245700002100264700002300285773004700308180718b2011   xxu||||| |||| 00| 0 eng d  aRatna Reddy, V.  aSlippage: The bane of rural drinking water sector ( A study of extent and causes in Andhra Pradesh)  c2011  ap.163-188.  aJuly-Dec  aDrinking water - India - Andhra Pradesh  aDrinking water  aVenkataswamy, M.  aRammohan Rao, M.S.  aJournal of Social and Economic Development