Le Van Duong, Mai Thuy Trang, Dang Trung Dung, Nguyen Xuan Truong* 2024. Evaluate the adsorption ability of crystal violet in water using synthesised zeolite X materials. Version B of Vietnam Journal of Science and Technology. 66, 10DB-HH (Oct. 2024). DOI:https://doi.org/10.31276/VJST.66(10DB-HH).56-62.