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Weerachai Ungcharoen. (1998) A feasibility study of waste exchange in Bangpoo Industiral Estate . Chulalongkorn University/Bangkok.
Weerachai Ungcharoen. A feasibility study of waste exchange in Bangpoo Industiral Estate. . Bangkok:Chulalongkorn University, 1998.
Weerachai Ungcharoen. (1998) A feasibility study of waste exchange in Bangpoo Industiral Estate . Chulalongkorn University/Bangkok.