Supported by the following organizations
This is to certify that Liao Yaoyao successfully completed and received a passing grade in ECON-203x: Macroeconomics - The Basics a course of study offered by DoaneX, an online learning initiative of Doane University.
Noted by
Debra K. Meier
Doane University
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- Verified Certificate Issued June 9, 2025
- Valid Certificate ID aaf79e72d52f46eb89eb099bddab7c8b