For citations:

Meshchanova A.G., Polyakov V.V. STUDY OF THE QUALITATIVE COMPOSITION OF THE SUBSTANCE OBTAINED FROM POPLAR BUDS BY EXTRACTION METHOD. Vestnik of M. Kozybayev North Kazakhstan University. 2023;(2 (58)):34-39. (In Russ.) https://doi.org/10.54596/2958-0048-2023-2-34-39