E. Fajd and G. Marton, “Starch Citrate as an Ion Exchange Material – Preparation and Investigation”, Hung. J. Ind. Chem., vol. 32, no. 1, Sept. 2004, Accessed: Nov. 10, 2026. Available: https://hjic.mk.uni-pannon.hu/index.php/hjic/article/view/86