Sidorina, E., Isagulov, A., Rabatuly, M., & Nogaeva, K. (2022). Study of refractory raw materials of the Republic of Kazakhstan. Kompleksnoe Ispolzovanie Mineralnogo Syra = Complex Use of Mineral Resources, 325(2), 22–28. https://doi.org/10.31643/2023/6445.14