Jordanoska, Biljana, Trajče Stafilov, and Alfred Wüest. “Assessment on Physico-Chemical Composition of Surface Karst Springs Feeding Lake Ohrid”. Macedonian Journal of Ecology and Environment 14, no. 1-2 (December 31, 2012): 19–25. Accessed March 29, 2024. https://mjee.org.mk/index.php/mjee/article/view/97.