Aungsiri Klinmalee. (2000) Comparison of leaching concentrations of chromium from solidified sludge in sea, brackish, and fresh water. Mahidol University,:ม.ป.ท.Aungsiri Klinmalee. 2000. Comparison of leaching concentrations of chromium from solidified sludge in sea, brackish, and fresh water. ม.ป.ท.:Mahidol University,;Aungsiri Klinmalee. Comparison of leaching concentrations of chromium from solidified sludge in sea, brackish, and fresh water. ม.ป.ท.:Mahidol University, 2000. Print.