S. Milonjić, “Comments on the article entitled Adsorption of strontium on different sodium-enriched bentonites by Sonja R. Marinović, Marija J. Ajduković, Nataša P. Jović-Jovičić, Tihana M. Mudrinić, Bojana N. Nedić-Vasiljević, Predrag T. Banković and Aleksandra D. Milutinović-Nikolić, published in the Journal of the Serbian Chemical Society, Volume 82, Issue 4, 2017, pp. 449–463”, J. Serb. Chem. Soc., vol. 83, no. 3, pp. 391–393, Apr. 2018.