Kadyrbergenova А. .; Izbassarova Л. .; Zhanteleuova Г. . Ensuring the competitiveness of domestic petrochemical products of economy in Kazakhstan. ECONOMIC Series of the Bulletin of the L N Gumilyov ENU, [S. l.], n. 1, p. 64–73, 2023. DOI: 10.32523/2079-620X-2021-1-64-73. Disponível em: https://bulecon.enu.kz/index.php/main/article/view/423. Acesso em: 5 may. 2024.