For citations:
Kartasheva E.G., Cherepetskaya O.S., Zhabina A.S., Ostrovnaya D.Yu., Ostrovnoy K.A. Preparation of lignosulfonic acid salts by sulfite cooking of used non-condensing wood. Vestnik of M. Kozybayev North Kazakhstan University. 2024;(4 (64)):35-42. (In Russ.) https://doi.org/10.54596/2958-0048-2024-4-35-42