00638naa#a2200169#i#450# EN\\bibl\83640 20241005183256.6 2413-046X 20240627b2024####ek#y0engy0150####ca RU IMPROVING THE METHODOLOGY FOR ASSESSING THE ECONOMIC EFFICIENCY OF MINING ON THE EXAMPLE OF THE REPUBLIC OF SAKHA (YAKUTIA) Journal article Moscow Electronic science 2024 11 с. Journal article local Экономика. Народное хозяйство. Экономические науки. 33 Kolokol'ceva Alla Vladimirovna ecience.ru