00552nam a2200169 a 4500001001400000003000700014005001700021008004100038020001500079040000800094100002000102245005300122260004500175300004800220650006100268650005300329vtls000015942KUKTEM20251117144200.0061002t1994    xxka   f      000 0 eng d  a0194356000  aUMP1 aWhitney, Norman10aOpen doors :bstudent's book 1 /cNorman Whitney  aOxford :bOxford University Press,c1994  a118 p. :bcol. ill. ;c30 cm. +e1 workbook 0aEnglish languagevTextbooks for second language learners 0aEnglish languagevTextbooks for foreign speakers