Berdnikova, I., Kiseleva, E., Baeva, D. и Solovyeva, I. (2020) «CURRENT ISSUES OF ENERGY EFFICIENCY IMPROVEMENT IN MODERN ECONOMIC CONDITIONS», Scientific Journal of Pedagogy and Economics, (5), сс. 145–152. доступно на: http://89.250.84.46/bulletin-science/article/view/848 (просмотрено: 18 декабрь 2025).