Vasina Noraphallop. 1990. The Analysis of polynuclear aromatic hydrocarbons in water by microextraction and high performance liquid chromatographic techniques. Graduate School, Chulalongkorn University;
Vasina Noraphallop. (1990) The Analysis of polynuclear aromatic hydrocarbons in water by microextraction and high performance liquid chromatographic techniques . Chulalongkorn University/Bangkok.
Vasina Noraphallop. The Analysis of polynuclear aromatic hydrocarbons in water by microextraction and high performance liquid chromatographic techniques. . Bangkok:Chulalongkorn University, 1990.
Vasina Noraphallop. (1990) The Analysis of polynuclear aromatic hydrocarbons in water by microextraction and high performance liquid chromatographic techniques . Chulalongkorn University/Bangkok.