Prasan Tangyuenyongwatthana. 1988. Carbon-13 nuclear magnetic resonance of coumarins from clausena cambodiana guill. root bark. Graduate School, Chulalongkorn University;
Prasan Tangyuenyongwatthana. (1988) Carbon-13 nuclear magnetic resonance of coumarins from clausena cambodiana guill. root bark . Chulalongkorn University/Bangkok.
Prasan Tangyuenyongwatthana. Carbon-13 nuclear magnetic resonance of coumarins from clausena cambodiana guill. root bark. . Bangkok:Chulalongkorn University, 1988.
Prasan Tangyuenyongwatthana. (1988) Carbon-13 nuclear magnetic resonance of coumarins from clausena cambodiana guill. root bark . Chulalongkorn University/Bangkok.