Kuldeyev, E., I. Bondarenko, and S. Temirova. “Promising Ways to Increase Raw Material Base of the Chrome Industry of the Metallurgical Industry of the Kazakhstan”. Kompleksnoe Ispolzovanie Mineralnogo Syra = Complex Use of Mineral Resources, vol. 313, no. 2, June 2020, pp. 64-70, doi:10.31643/2020/6445.19.