By Portes Pedro R.   Salas Spencer   in Cultura y Educación

ISSN:1578-4118|19|4|365-377

Fundación Infancia y Aprendizaje‎(2007)‎

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By Portes Pedro R.   Salas Spencer   in Cultura y Educación

ISSN:1578-4118|19|4|435-446

Fundación Infancia y Aprendizaje‎(2007)‎

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By Spooner Fred   Rivera Christopher J   Browder Diane M   Baker Joshua N   Salas Spencer   in Association for the Severely Handicapped. Journal (JASH)

ISSN:0274-9483|34|3-4|102-112

TASH Publishing‎(2009)‎

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By D'Amico Mark M.   Rios-Aguilar Cecilia   Salas Spencer   González Canché Manuel S.   in Community College Journal of Research and Practice

ISSN:1521-0413|36|4|251-261

Routledge Ltd‎(2012)‎

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