Churairat Thanacharuphamorn. 2006. Extraction of heavy metal ions in water using humic acids immobilized on silica. Faculty of Science, Chulalongkorn University;
Churairat Thanacharuphamorn. (2006) Extraction of heavy metal ions in water using humic acids immobilized on silica . Chulalongkorn University/Bangkok.
Churairat Thanacharuphamorn. Extraction of heavy metal ions in water using humic acids immobilized on silica. . Bangkok:Chulalongkorn University, 2006.
Churairat Thanacharuphamorn. (2006) Extraction of heavy metal ions in water using humic acids immobilized on silica . Chulalongkorn University/Bangkok.