Thippawan Kumhom และ Suwassa Pongamphai. (2011) A Unified model for supercritical fluid extraction processes /. King Mongkut's University of Technology Thonburi,:ม.ป.ท.Thippawan Kumhom และ Suwassa Pongamphai. 2011. A Unified model for supercritical fluid extraction processes /. ม.ป.ท.:King Mongkut's University of Technology Thonburi,;Thippawan Kumhom และ Suwassa Pongamphai. A Unified model for supercritical fluid extraction processes /. ม.ป.ท.:King Mongkut's University of Technology Thonburi, 2011. Print.