KOVALENKO , Yevhen, Sumy State University, Ukraine

• Bulletin of the Cherkasy Bohdan Khmelnytsky National University. Economic Sciences Vol. 27 No. 1-2 (2023): Bulletin of the Cherkasy Bohdan Khmelnytsky national university. Еconomic sciences» - Статті
  TREND ANALYSIS OF CHANGES IN THE LEVEL OF ENERGY EFFICIENCY IN THE NATIONAL ECONOMY
  Abstract  пдф (Українська)