Hasiuk, Ivan, Sergii Pudchenko, and Liubov Yablon. “Establishment of Physical Science in Precarpathia: Events and Characters”. Journal of Vasyl Stefanyk Precarpathian National University 10, no. 3 (September 30, 2023): 139–144. Accessed October 10, 2024. https://journals.pnu.edu.ua/index.php/jpnu/article/view/7169.