Budnyk, Olena. “Theoretical Principles of Using Steam-Technologies in the Preparation of the Teacher of the New Ukrainian School”. Journal of Vasyl Stefanyk Precarpathian National University 5, no. 1 (April 25, 2019): 23–30. Accessed November 24, 2024. https://journals.pnu.edu.ua/index.php/jpnu/article/view/3485.