Chanwit Onsumran และ Sotarat Thammaboosadee. (2015) Gold price volatility prediction by text mining in economic indicators news. Mahidol University:ม.ป.ท.Chanwit Onsumran และ Sotarat Thammaboosadee. 2015. Gold price volatility prediction by text mining in economic indicators news. ม.ป.ท.:Mahidol University;Chanwit Onsumran และ Sotarat Thammaboosadee. Gold price volatility prediction by text mining in economic indicators news. ม.ป.ท.:Mahidol University, 2015. Print.