Siriwan Tungwongcharoen. 1995. Synthesis of lubricating oil from castor oil. Graduate School, Chulalongkorn University;
Siriwan Tungwongcharoen. (1995) Synthesis of lubricating oil from castor oil . Chulalongkorn University/Bangkok.
Siriwan Tungwongcharoen. Synthesis of lubricating oil from castor oil. . Bangkok:Chulalongkorn University, 1995.
Siriwan Tungwongcharoen. (1995) Synthesis of lubricating oil from castor oil . Chulalongkorn University/Bangkok.