... coordinated and applied to aiding in a detailed evaluation of forecasting accuracy of constructing wastewater treatment plants in an uncertain environment Third, the proposed comparative study in ... the earlier stage can be found in the literature (Tanaka and Asia, 198 4a, 1984b; Jajuga, 1986; Tanaka, 1987; Tanaka and Watada, 1988; Tanaka et al 1989; Chen, 1988; Diamond, 1988) Later on, the ... industrial wastewater treatment plants in Taiwan Estimating costs of constructing wastewater treatment plants the river basin, this would contribute to the increased per capita cost in the society...