N. V.  Rathod, ?Novel interaction study of Th(IV) and Zr(IV) with 4-sulfonatocalix[6]arene: experimental and theoretical investigation?, Polyhedron, vol. 137, p. 137, 2017.

A.  Srivastava, Selvaraj, K., and Prasad, K. S., ?Nanoparticles based adsorbent for removal of arsenic from aqueous solution?, Asian Journal of Water, Environment and Pollution, vol. 16, no. 1, pp. 97-103, 2019.