Siregar, P. M. S. B. N., Wijaya, A., Amri, Nduru, J. P., Hidayati, N., Lesbani, A. and Mohadi, R. (2022) “Layered Double Hydroxide/C (C=Humic Acid;Hydrochar) As Adsorbents of Cr(VI)”, Science and Technology Indonesia, 7(1), pp. 41–48. doi: 10.26554/sti.2022.7.1.41-48.