Surakit Chunharotrit. 1998. Chitin derivative for controlled release system. Petroleum and Petrochemical College, Chulalongkorn University;
Surakit Chunharotrit. (1998) Chitin derivative for controlled release system . Chulalongkorn University/Bangkok.
Surakit Chunharotrit. Chitin derivative for controlled release system. . Bangkok:Chulalongkorn University, 1998.
Surakit Chunharotrit. (1998) Chitin derivative for controlled release system . Chulalongkorn University/Bangkok.