KARENOV , R.S. Strategic importance of the coal industry in the industrial policy of the state. BUKETOV BUSINESS REVIEW, [S. l.], v. 91, n. 3, p. 11–19, 2018. Disponível em: https://bbr.buketov.edu.kz/economy-vestnik/article/view/521. Acesso em: 10 dec. 2025.