APA
Hearath H., . (2000). An economic approach to manage industrial water pollution: case of kelani river basin in Sri Lanka. Colombo: The Dep: of National Planinig Ministry of Policy Development and Implementation.
Chicago
Hearath H.M.B.S, . 2000. An economic approach to manage industrial water pollution: case of kelani river basin in Sri Lanka. Colombo: The Dep: of National Planinig Ministry of Policy Development and Implementation.
Harvard
Hearath H., . (2000). An economic approach to manage industrial water pollution: case of kelani river basin in Sri Lanka. Colombo: The Dep: of National Planinig Ministry of Policy Development and Implementation.
MLA
Hearath H.M.B.S, . An economic approach to manage industrial water pollution: case of kelani river basin in Sri Lanka. Colombo: The Dep: of National Planinig Ministry of Policy Development and Implementation. 2000.