HERATH, H.M.B.S.
An Economic approach to manage industrial water pollution: case of Kelani river - Colombo The Department of National Planing Ministry of Policy Develo 2002 - x, 39 p.
955901708X
Water pollution
628.4 / HEA
An Economic approach to manage industrial water pollution: case of Kelani river - Colombo The Department of National Planing Ministry of Policy Develo 2002 - x, 39 p.
955901708X
Water pollution
628.4 / HEA