Melovski, L., Markovski, B., Hristovski, S., Jovanovska, D., Anastasovski, V., Klincharov, S., Velevski, M., Velkovski, N., Trendafilov, A., Matevski, V., Kostadinovski, M., Karadelev, M., Levkov, Z. and Kolčakovski, D. 2013. Regional division of the Republic of Macedonia for the needs of biological databases. Macedonian Journal of Ecology and Environment. 15, 2 (Dec. 2013), 81–111. DOI:https://doi.org/10.59194/MJEE13152081m.