Palapa, N. R., Taher, T., Mohadi, R., & Lesbani, A. (2019). Removal of Anionic Direct Dye Using Zn/Al, Zn/Fe and Zn/Cr Layered Double Hydroxides Toward Interlayer Distance. Science and Technology Indonesia, 4(3), 70–76. https://doi.org/10.26554/sti.2019.4.3.70-76