Volume 64, Issue 4, April 2021, Pages 1957-1964
10.21608/ejchem.2020.34370.2718
Urkimbayeva P.I.; Koshkinbayev Zh.B.; Guzel Abilova; Kenessova Z.A.; Arailym Yessirkepova; Samenova N.O.; Lyazzat Bekbayeva