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Ratiphan Laungsuwon. (1997) Phytochemical study of Coleus amboinicus Lour. . Chulalongkorn University/Bangkok.
Ratiphan Laungsuwon. Phytochemical study of Coleus amboinicus Lour. . Bangkok:Chulalongkorn University, 1997.
Ratiphan Laungsuwon. (1997) Phytochemical study of Coleus amboinicus Lour. . Chulalongkorn University/Bangkok.