Patsara Tetanananth และ Nuntana Udomkit. (2011) Thai consumer willingness to pay for consumer products with carbon reduction label. Mahidol University:ม.ป.ท.Patsara Tetanananth และ Nuntana Udomkit. 2011. Thai consumer willingness to pay for consumer products with carbon reduction label. ม.ป.ท.:Mahidol University;Patsara Tetanananth และ Nuntana Udomkit. Thai consumer willingness to pay for consumer products with carbon reduction label. ม.ป.ท.:Mahidol University, 2011. Print.