Cevallos, Silvia, Pontificia Universidad Católica del Ecuador Sede Ibarra, Ecuador
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AXIOMA No. 5 (2009): Magazine of teaching, research and social projection of the PUCE-SI - INVESTIGACIÓN
Self-Education and Training Program for the Code of Children and Adolescents
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AXIOMA No. 9 (2012): Magazine of teaching, research and social projection of the PUCE-SI - PUBLICACIONES
Reviews of publications 2010-2012
Abstract PDF (Español (España))