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), pp. 64–73. doi: 10.32523/2079-620X-2021-1-64-73.