Khallo, Oleksandra. “Retaining Health Activities Elementary School Teacher in Working Conditions in the Mountainous Region”. Journal of Vasyl Stefanyk Precarpathian National University 1, no. 2-3 (December 22, 2014): 86–90. Accessed May 18, 2024. https://scijournals.pnu.edu.ua/index.php/jpnu/article/view/2079.