00330nam a22001217a 450000500170000002000230001703500120004003700130005210000180006524500630008326000400014630000220018620120511113547.0  a8187339160c400.00  aB-83895  aDPLbENG  aReddy, K.L.N.  aEconomics of rural drinkng water supply /cby K.L.N. Reddy  aJaipurbUniversity Book Housec1999  av, 224p.c20 cms.