Nathathai Wiboonpun. 1996. Chemical constituents of the root of Asparagus racemosus Willd. Graduate School, Chulalongkorn University;
Nathathai Wiboonpun. (1996) Chemical constituents of the root of Asparagus racemosus Willd . Chulalongkorn University/Bangkok.
Nathathai Wiboonpun. Chemical constituents of the root of Asparagus racemosus Willd. . Bangkok:Chulalongkorn University, 1996.
Nathathai Wiboonpun. (1996) Chemical constituents of the root of Asparagus racemosus Willd . Chulalongkorn University/Bangkok.