Balko Yelena Vasilivna. Systemic approach to analytical evaluation of firms’ shade production activities : к.е.н. : spec.. 08.07.01 - Економіка промисловості : presented. 2006-05-10; popup.evolution: .; The Kharkov state polytechnical university. – , 0406U002302.

Updated: 2026-10-28