Sopida Hirunshotipong. 2003. Synthesis of quaternary ammonium chitosan and its application to fruit coating. Field of Study Petrochemistry and Polymer Science, Chulalongkorn University;
Sopida Hirunshotipong. (2003) Synthesis of quaternary ammonium chitosan and its application to fruit coating . Chulalongkorn University/Bangkok.
Sopida Hirunshotipong. Synthesis of quaternary ammonium chitosan and its application to fruit coating. . Bangkok:Chulalongkorn University, 2003.
Sopida Hirunshotipong. (2003) Synthesis of quaternary ammonium chitosan and its application to fruit coating . Chulalongkorn University/Bangkok.