Dj. Pidakhmet. “Sorption of Ni2+ Ions by Anion Exchangers Based on Epichlorohydrin Oligomers and 4-Vinylpyridine”. Global Journal of Science Frontier Research 14, no. B5 (March 15, 2014): 7–11. Accessed May 6, 2024. https://journalofscience.org/index.php/GJSFR/article/view/1324.