Yi. และ Liu. (2008) Buyer's decision in willingness to pay for small-displacement vehicles (mini car) in Shandong Province, China. University of the Thai Chamber of Commerce:ม.ป.ท.Yi. และ Liu. 2008. Buyer's decision in willingness to pay for small-displacement vehicles (mini car) in Shandong Province, China. ม.ป.ท.:University of the Thai Chamber of Commerce;Yi. และ Liu. Buyer's decision in willingness to pay for small-displacement vehicles (mini car) in Shandong Province, China. ม.ป.ท.:University of the Thai Chamber of Commerce, 2008. Print.