Katerina Melenova
June 30, 2026
This certificate is honored to
CERTIFICATE OF COMPLETION
Petra Ratajc, PhD
Tutor
Issuing date
Course Hours
18
Robert Tisserand
Principal
WHO SUCCESSFULLY COMPLETED ALL FIVE LESSONS OF
BEYOND THE BOTTLE: UNDERSTANDING ESSENTIAL OILS
AND DEMONSTRATED ACQUIRED KNOWLEDGE ABOUT THE ORIGINS OF ESSENTIAL OILS AND THE PROCESSES INVOLVED IN THEIR PRODUCTION, QUALITY CONTROL, STORAGE AND APPLICATIONS.
KM
Issued to
Katerina Melenova
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Credential Verification
Issue date: June 30, 2026
ID: 08355da3-8b09-497a-b56f-48b3d08049bd
Issued by
Tisserand Institute
Online education institute providing evidence-based education in the field of essential oils and aromatherapy.
Description
No information provided for this award.