Juthamas Sirirat และผู้แต่งคนอื่นๆ. (2011) Using acid volatile sulfide–simultaneous extracted metals as an assessment tool for metal pollution risk in the upper gulf of Thailand. Chulalongkorn University:ม.ป.ท.Juthamas Sirirat และผู้แต่งคนอื่นๆ. 2011. Using acid volatile sulfide–simultaneous extracted metals as an assessment tool for metal pollution risk in the upper gulf of Thailand. ม.ป.ท.:Chulalongkorn University;Juthamas Sirirat และผู้แต่งคนอื่นๆ. Using acid volatile sulfide–simultaneous extracted metals as an assessment tool for metal pollution risk in the upper gulf of Thailand. ม.ป.ท.:Chulalongkorn University, 2011. Print.