Krisada Asawarungsaengkul และ Suebsak Nanthavanij. (2007) Analytical design of effective industrial noise hazard prevention strategy and auditory warning system for adequate audibility. Sirindhorn International Institute of Technology, Thammasat University:ม.ป.ท.Krisada Asawarungsaengkul และ Suebsak Nanthavanij. 2007. Analytical design of effective industrial noise hazard prevention strategy and auditory warning system for adequate audibility. ม.ป.ท.:Sirindhorn International Institute of Technology, Thammasat University;Krisada Asawarungsaengkul และ Suebsak Nanthavanij. Analytical design of effective industrial noise hazard prevention strategy and auditory warning system for adequate audibility. ม.ป.ท.:Sirindhorn International Institute of Technology, Thammasat University, 2007. Print.