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Journal of Economics and Business > 2009 > 61 > 1 > 51-69
Water Research > 2005 > 39 > 18 > 4552-4558
Lifetime Data Analysis > 2002 > 8 > 4 > 395-399
Journal of Economics and Business > 2009 > 61 > 1 > 51-69
Water Research > 2005 > 39 > 18 > 4552-4558
Lifetime Data Analysis > 2002 > 8 > 4 > 395-399