CLASE (UNAM) (in Spanish). Make sure you check the box for full-text entries and search for keywords. The link to access the full-text article is usually at the bottom of the page.
REDALYC (In Spanish) Red de Revistas Científicas de América Latina y el Caribe, España y Portugal
REDALYC (In Spanish) Red de Revistas Científicas de América Latina y el Caribe, España y Portugal
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