Supported by the following organizations
This is to certify that Carlos Johnson Oliva 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 March 2, 2026
- Valid Certificate ID 08ee29f36c41418bb4098ca070597f62