Kanyarat Tankong และ Athikom Bangviwat. (2011) Cost effectiveness study of an existing combined cycle power plant improvement. King Mongkut’s University of Technology Thonburi:ม.ป.ท.Kanyarat Tankong และ Athikom Bangviwat. 2011. Cost effectiveness study of an existing combined cycle power plant improvement. ม.ป.ท.:King Mongkut’s University of Technology Thonburi;Kanyarat Tankong และ Athikom Bangviwat. Cost effectiveness study of an existing combined cycle power plant improvement. ม.ป.ท.:King Mongkut’s University of Technology Thonburi, 2011. Print.