For citations:
Klimov Ya.I., Ershova N.M. Collection LEGO Sets as Non-Financial Investment Asset: Profitability, Liquidity and Place in Private Investor Portfolio. Vestnik of the Plekhanov Russian University of Economics. 2026;23(4):192-199. (In Russ.) https://doi.org/10.21686/2413-2829-2026-4-192-199
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