00609nam a2200217Ia 450000500170000000800410001724500350005870000210009326000520011430000160016630000110018250000480019302000180024165000230025965000470028205000150032954600120034433600090035633700150036533800110038020260803094057.0251212s1987    xx            000 0 und d1 aInteractive language teaching.0 aRivers, Wilga M.  aCambridge :bCambridge University Press,c1987.  axv, 228 p.:  c23 cm.  aIncludes bibliographic references and index  a0-521-31108-x  aSocial interaction  aLanguage and languagesxStudy and teaching  a407.1 In81  aEnglish  aText  aUnmediated  aVolume