Rangsun Chaosuwannakij. 1996. Recycle of used marine lube oil. Program of Petrochemistry, Chulalongkorn University;
Rangsun Chaosuwannakij. (1996) Recycle of used marine lube oil . Chulalongkorn University/Bangkok.
Rangsun Chaosuwannakij. Recycle of used marine lube oil. . Bangkok:Chulalongkorn University, 1996.
Rangsun Chaosuwannakij. (1996) Recycle of used marine lube oil . Chulalongkorn University/Bangkok.