Yergozhin, Y., Taussarova, B., Ashkeyeva, R. and Tugelbayeva, L. (2013) “Investigation of complexing ability of ionites with various groups to some heavy and transition metal ions”, Chemical Bulletin of Kazakh National University, 69(1), pp. 84-89. doi: https://doi.org/10.15328/chemb_2013_184-89.