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1
Combined treatment an economical alternative approach to stream pollution control
Argitaratua izan da Philippine Engineering Journal (2010)Artikulua -
2
Marginal opportunity cost pricing for wastewater disposal a case study of Wuxi China
Argitaratua 1999Liburua -
3
Basic concepts in water pollution control and overview of water pollution control methods
Argitaratua izan da Philippine Engineering Journal (1980)Artikulua