Khwannapa Kongsanoa. 2005. Synthesis and characterization of manganese-iron oxide composites for adsorption of transition metal ions. Field of Study Chemistry, Chulalongkorn University;
Khwannapa Kongsanoa. (2005) Synthesis and characterization of manganese-iron oxide composites for adsorption of transition metal ions . Chulalongkorn University/Bangkok.
Khwannapa Kongsanoa. Synthesis and characterization of manganese-iron oxide composites for adsorption of transition metal ions. . Bangkok:Chulalongkorn University, 2005.
Khwannapa Kongsanoa. (2005) Synthesis and characterization of manganese-iron oxide composites for adsorption of transition metal ions . Chulalongkorn University/Bangkok.