Supported by the following organizations
This is to certify that Sarah Frances Holmes successfully completed and received a passing grade in CESBE1x: Circular Economy for a Sustainable Built Environment a course of study offered by DelftX, an online learning initiative of Delft University of Technology.
Noted by
Professor Arno Smets
Director Extension School Education, on behalf of the Quality Assurance Board Delft University of Technology
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- Verified Certificate Issued December 11, 2025
- Valid Certificate ID d65ab97a05664bf684c3edaeee70d299