Suppakij Preechapholkul. (2007) The rise of oil price and its impact on global economy. Thammasat University,:ม.ป.ท.Suppakij Preechapholkul. 2007. The rise of oil price and its impact on global economy. ม.ป.ท.:Thammasat University,;Suppakij Preechapholkul. The rise of oil price and its impact on global economy. ม.ป.ท.:Thammasat University, 2007. Print.