Tkachuk, O. M., and V. S. Oliynyk. “Forestry Component in the Protection System Against Harmful Phenomena in the Precarpathian Region”. Forestry and Forest Melioration, no. 134 (November 26, 2019): 24-32. Accessed January 21, 2020. http://forestry-forestmelioration.org.ua/index.php/journal/article/view/207.