BATJARGAL, K.; DULAMSUREN, N.; BAYARAA, S.-O. VALUATION METHODOLOGIES UPGRADE BY TOWARD SUSTAINABLE MINING. Journal of Business and Innovation (Бизнес & Инноваци), [S. l.], v. 11, n. 04, p. 75–96, 2026. DOI: 10.22353/jbai.2025110405. Disponível em: https://journal.num.edu.mn/BusinessAndInnovation/article/view/11027. Acesso em: 31 may. 2026.