Shin, J. H., L. R. Woon, and K. T. Park. “The State of Affairs of ‘Rare Metal Industry’ in Korea”. Kompleksnoe Ispolzovanie Mineralnogo Syra = Complex Use of Mineral Resources, vol. 330, no. 3, Nov. 2023, pp. 43-50, doi:10.31643/2024/6445.27.