Monitoring and Assessment of the Level of Economic Security of Natural Monopolies in Commodity Markets of Basic Industries. International Journal of Environmental Sciences, [S. l.], p. 2869–2876, 2025. DOI: 10.64252/ebbedz73. Disponível em: https://theaspd.com/index.php/ijes/article/view/7786.. Acesso em: 26 aug. 2026.