Petrovska - Jovanović, Simka, Kornelija Stojanova, and Ratka Miloševska. “Study of the Possibility for Chrome Separation and Concentration from Waste - Water by Lewatit S 1080 and Wofatit KPS”. Macedonian Journal of Ecology and Environment 2, no. 1 (August 31, 1994): 101–108. Accessed December 28, 2024. http://mjee.org.mk/index.php/mjee/article/view/15.