00545naa#a2200181#i#450# EN\RIOR\bibl\2978 20240419175438.5 2409-6024 20140501b2014####ek#y0engy0150####ca RUS RU Survey of integration processes and motives of consolidation in gold-mining economic sectors Journal article Moscow Publishing Center RIOR 2014 7 с. Journal article local Kradenykh Irina A. Barchukov Alyeksyey riorpub.com