Supported by the following organizations
This is to certify that Mario Antonio Rojas Serra successfully completed and received a passing grade in AESTHINT15: Rhetoric: The Art of Persuasive Writing and Public Speaking a course of study offered by HarvardX, an online learning initiative of Harvard University.
Noted by
James Engell
Gurney Professor of English and Professor of Comparative Literature Harvard University
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- Verified Certificate Issued October 31, 2020
- Valid Certificate ID 78013702a43e4c8bb9f4f351e17ba5ab