Levkov, Zlatko, Svetislav Krstić, and Marina Noveska. “Valorization of Shara Mountain Lakes Using Diatom Flora Compositions”. Macedonian Journal of Ecology and Environment 7, no. 1-2 (December 31, 2001): 15–32. Accessed December 28, 2024. http://mjee.org.mk/index.php/mjee/article/view/148.