LDR 00619naa#a2200169#i#450# 001 EN\\bibl\119706 005 20260407043625.2 011 ## _a2221-3260 100 ## _a20260228b2026####ek#y0engy0150####ca 102 ## _aRU 200 1# _aThe use of the Business Confidence Index (IPI) to analyze the dynamics of the development of the Russian ferrous metallurgy in the global market _eJournal article 210 1# _aYaroslavl _cYaroslavl State Technical University _d2026 215 ## _a11 с. 608 ## _aJournal article _2local 700 #1 _aKon'kov _gMaksim Nikolaevich 700 #1 _aNoskov _gVladimir Anatol'evich 856 4# _atheoreticaleconomy.ru _u