CERTIFICATE OF PUBLICATION

This certificate confirms that the following scholarly article has been officially published in the Journal of Green Economy and Optimization Research.

Tunzale Mammadova and Ilham Abdullayev

“The main causes of decreasing water levels in the Kura River”

Volume 1 · Issue Special Issue 3 · Pages 50-55

Publication date: October 20, 2026

DOI: 10.68210/jgeor.a85

ISSN: 3136-7968

Open Access · Creative Commons Attribution 4.0 International (CC BY 4.0)

Certificate ID: JGEOR-COP-2026-00085

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Ulvi Mammadov

Editor-in-Chief
Journal of Green Economy and Optimization Research