Noppaporn Panich. 1994. Emulsion liquid membrane extraction of phenylalanine and tryptophan. Graduate School, Chulalongkorn University;
Noppaporn Panich. (1994) Emulsion liquid membrane extraction of phenylalanine and tryptophan . Chulalongkorn University/Bangkok.
Noppaporn Panich. Emulsion liquid membrane extraction of phenylalanine and tryptophan. . Bangkok:Chulalongkorn University, 1994.
Noppaporn Panich. (1994) Emulsion liquid membrane extraction of phenylalanine and tryptophan . Chulalongkorn University/Bangkok.