00669nam a22002177i 450000500170000000800410001702200140005804100080007210000180008024500920009865000290019065000170021965000260023665000280026265000230029065300200031365300170033365500150035070000180036577300680038320141212085829.0870615s1987    sp     gr     000 0 spa c  a0002-726X  aeng1 aGRISSOM, B.W.10aCRITICAL COMPETENCIES FOR TEACHERS OF HEARING-IMPAIRED STUDENTS:THE PRACTITIONERS' VIEW14aComunicación no verbal14aDiscapacidad14aDiscapacidad auditiva14aFormación de personal14aMétodo educativo10aAcción social10aDiscapacidad 4aDocumental1 aCOCHRAN, S.W.0 tAMERICAN ANNALS OF THE DEAFgVol. 131, no. 4 (1986), p. 267-270