Prodanović, Jelena, Marina Šćiban, and Mirjana Antov. “Improvement of Wastewater Treatment by Use of Natural Coagulants”. Journal of Economic Development, Environment and People 2, no. 2 (June 22, 2013): 22–28. Accessed November 22, 2024. http://ojs.spiruharet.ro/jedep/article/view/21.