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About The Authors

Lyubomir Lazov
Rezekne Academy of Technologies
Latvia

Nikolay Angelov
Technical University of Gabrovo
Bulgaria

Edmunds Teirumnieks
Rezekne Akademy of Technologies
Latvia

Erika Teirumnieka
Rezekne Akademy of Technologies
Latvia

ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference