Radmanović, Svjetlana B., Mirjana M. Marković, Uroš D. Jovanović, Maja D. Gajić-Kvaščev, Djuro M. Čokeša, and Jasmina A. Lilić. 2020. “Properties of Humic Acids from Copper Tailings 20 Years After Reclamation”. Journal of the Serbian Chemical Society 85 (3). Belgrade, Serbia:406-19. https://doi.org/10.2298/JSC190717112R.