For citations:
Rud M.A., Begenova B.E., Ostafeichuk N.V. Evolution of chemical olympics. Peer-reviewed scientific journal Bulletin of Manash Kozybayev North Kazakhstan University. 2025;(1 (65)):120-127. (In Russ.) https://doi.org/10.54596/2958-0048-2025-1-120-127









