Supported by the following organizations
This is to certify that Marino Chantal successfully completed and received a passing grade in PHRS1x: Providing Harm Reduction Services for Drug Users and Sex Workers a course of study offered by ZHAWx, an online learning initiative of ZHAW Zurich University of Applied Sciences.
Noted by
Wittmann Frank
Prof. Dr. Direktor Departement Soziale Arbeit ZHAW Soziale Arbeit
Herzig Michael
Dozent Institut für Sozialmanagement ZHAW Soziale Arbeit
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- Verified Certificate Issued October 31, 2025
- Valid Certificate ID ae49488c732e4c68861bfeaaa49fc422