Water pollution prevention and control program :
Lim, Jose Marie U.
Water pollution prevention and control program : the Polomolok experience / Jose Marie U. Lim - Quezon City : Department of Environment and Natural Resources, 2010. - The Philippine Sustainable Sanitation Knowledge Series .
9789718986783
Water Pollution -- --prevention and control
Water pollution prevention and control program : the Polomolok experience / Jose Marie U. Lim - Quezon City : Department of Environment and Natural Resources, 2010. - The Philippine Sustainable Sanitation Knowledge Series .
9789718986783
Water Pollution -- --prevention and control