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Investment potential gold mining industry east Kazakhstan - PDF (Russian)
Copyright (c) 2014 Крупник Л.А., Воробьев А.Е., Шапошник Ю.Н., Шапошник С.Н.
This work is licensed under a Creative Commons Attribution 4.0 International License.
Copyright (c) 2014 Крупник Л.А., Воробьев А.Е., Шапошник Ю.Н., Шапошник С.Н.
This work is licensed under a Creative Commons Attribution 4.0 International License.