00413    a2200109   4500020001500000082001900015100002200034245010400056260010500160300001800265650002000283  a955901708x  a628.16837bHEA  aHearath, H.M.B.S.  aAn economic approach to manage industrial water pollution bcase of kelani river basin in Sri Lanka  aColombobThe Dep: of National Planinig Ministry of Policy Development and Implementationc2000g2002  axi,46p.c30cm  aWater Pollution