Ivanova TA, Trofimova VS, Kalitaev A, Stepanov DG. Mathematical Modelling of the Price Range in the Procurement of Ferrous Scrap by Metallurgical Enterprises. Econ Reg [Internet]. 2018 Feb. 26 [cited 2026 May 15];14(1):137-49. Available from: https://economyofregions.org/ojs/index.php/er/article/view/1959