Apiratsakul และ Duangjai. (1998) Purchasing Power Parity and the Volatility of Thailand Exchange Rate. University of the Thai Chamber of Commerce:ม.ป.ท.Apiratsakul และ Duangjai. 1998. Purchasing Power Parity and the Volatility of Thailand Exchange Rate. ม.ป.ท.:University of the Thai Chamber of Commerce;Apiratsakul และ Duangjai. Purchasing Power Parity and the Volatility of Thailand Exchange Rate. ม.ป.ท.:University of the Thai Chamber of Commerce, 1998. Print.