AUTHOR=Borisova Lyudmila V. , Tyurina Yuliya G. , Morozova Irina А. , Momotova Oksana N. TITLE=Marketing Mix of Energy Companies of EnergyTech From the Positions of Their Contribution to Sustainable and Environmental Development of Energy Economics JOURNAL=Frontiers in Energy Research VOLUME=10 YEAR=2022 URL=https://www.frontiersin.org/journals/energy-research/articles/10.3389/fenrg.2022.931891 DOI=10.3389/fenrg.2022.931891 ISSN=2296-598X