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por García Retana, José Ángel
Publicado 2011
“... of knowledge in history, becoming the main resource it has to face the degradation of the planet´s natural...”Publicado 2011
Enlace del recurso
Online
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“... of Educational Sciences, Humanities and Natural Resources and Environment, because among their requirements...”
Enlace del recurso
Enlace del recurso
Online
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