Cite

Tetiana Topolnytska
Ivano-Frankivsk National Technical University of Oil and Gas,
Romana Matskiv
Ivano-Frankivsk National Technical University of Oil and Gas,
Oleh Yatsiuk
Ivano-Frankivsk National Technical University of Oil and Gas,
Oksana Savko
Ivano-Frankivsk National Technical University of Oil and Gas,
Bohdan Hryvnak
Ivano-Frankivsk National Technical University of Oil and Gas,