Supported by the following organizations
This is to certify that Maciej Kolaczkowski 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 June 26, 2020
- Valid Certificate ID 0a3f5f66a9c94be1883b5f7220db65de