Holovkova, Tetiana, and OnulNataliа. “APPLICATION OF PSYCHOHYGIENIC MEASURES TO OPTIMIZE LEARNING CONDITIONS”. Scientific Journal of Polonia University 50, no. 1 (April 28, 2022): 242-247. Accessed May 3, 2024. http://pnap.ap.edu.pl/index.php/pnap/article/view/855.