Puthita Wacharasin และ Seeroong Prichanont. (2010) Market study Thai speech technologies in Thailand. Chulalongkorn University:ม.ป.ท.Puthita Wacharasin และ Seeroong Prichanont. 2010. Market study Thai speech technologies in Thailand. ม.ป.ท.:Chulalongkorn University;Puthita Wacharasin และ Seeroong Prichanont. Market study Thai speech technologies in Thailand. ม.ป.ท.:Chulalongkorn University, 2010. Print.