INDUTNYI В., MEREZHKO Н., and PIRKOVICH К. “ommodity valuation of istorical, rtistic and echnical hotos”. "INTERNATIONAL·SCIENTIFIC-·PRACTICAL·JOURNAL·COMMODITIES·AND·MARKETS", vol. 42, no. 2, June 2022, pp. 48-60, doi:10.31617/2.2022(42)04.