ALZHANOVA, N. Analysis of problems and risks of the market system services of power industry of Kazakhstan. Journal of Economic Research & Business Administration, [S. l.], v. 99, n. 5, p. 27–32, 2015. Disponível em: https://be.kaznu.kz/index.php/math/article/view/429. Acesso em: 22 nov. 2024.