Percepción de factores protectores y factores de riesgo en alumnos de secundaria con problemas de aprendizaje
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| Format: | Tesis de maestría |
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MX
2007
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| Online Access: | https://hdl.handle.net/20.500.14330/TES01000626301 http://132.248.9.195/pd2008/0626301/Index.html |