IVANOVA, Tatyana Aleksandrovna; TROFIMOVA, Violetta Shamilyevna; KALITAEV, A.N.; STEPANOV, Dmitry Gennadyevich. Mathematical Modelling of the Price Range in the Procurement of Ferrous Scrap by Metallurgical Enterprises. Economy of Regions, [S. l.], v. 14, n. 1, p. 137–149, 2018. DOI: 10.17059/2018-1-11. Disponível em: https://economyofregions.org/ojs/index.php/er/article/view/1959. Acesso em: 15 may. 2026.