Rachaneepen Pensit. (2006) Leachability of aluminum ions from water treatment sludge /. Kasetsart University,:ม.ป.ท.Rachaneepen Pensit. 2006. Leachability of aluminum ions from water treatment sludge /. ม.ป.ท.:Kasetsart University,;Rachaneepen Pensit. Leachability of aluminum ions from water treatment sludge /. ม.ป.ท.:Kasetsart University, 2006. Print.