ALTUN, T. “PREPARATION AND APPLICATION OF GLUTARALDEHYDE CROSS-LINKED CHITOSAN COATED BENTONITE CLAY CAPSULES: CHROMIUM(VI) REMOVAL FROM AQUEOUS SOLUTION”. Journal of the Chilean Chemical Society, Vol. 65, no. 2, July 2020, pp. 4790-7, https://www.jcchems.com/index.php/JCCHEMS/article/view/1222.