TY - SER AU - Berhanu,Tarekegn TI - Determination of trace levels of dinitrophenolic compounds in environmental water samples using hellow fiber supported liquid membrance extraction and high performance liquid chromatography N1 - YA2006 M05 D01 ISSN - 0021-9673 Sources - Journal of Chromatography A Sources - 1103 (1) 2006 : 1-8 ER -