Kadyrbergenova А. , Izbassarova Л. and Zhanteleuova Г. 2023. Ensuring the competitiveness of domestic petrochemical products of economy in Kazakhstan. ECONOMIC Series of the Bulletin of the L N Gumilyov ENU. 1 (Jan. 2023), 64–73. DOI:https://doi.org/10.32523/2079-620X-2021-1-64-73.