Ngo, T. N. M., Nguyen, M. N., Cao, L. N. H., Tran, T. B. Q., Nguyen, V. N. H., & Tran, N. P. L. (2023). Study of the activation of Truc Thon ball clay by acids. CTU Journal of Innovation and Sustainable Development , 15(3), 92-102. https://doi.org/10.22144/ctujoisd.2023.054