Kis, H. R., and Bnо-AyrianM. K. 2019. “THEORETICAL ANALYSIS OF APPROACHES TO ORGANIZATION OF THE INTERACTION OF NEGOTIATION GROUPS OF COUNTRIES ON INTERNATIONAL ENERGY MARKETS”. Scientific Bulletin of Ivano-Frankivsk National Technical University of Oil and Gas (Series: Economics and Management in the Oil and Gas Industry), no. 1(19) (May), 21-30. https://doi.org/10.31471/2409-0948-2019-1(19)-21-30.