I. V. Serheta, O. Y. Bratkova, O. Y. Panchuk, R. V. Skoruk, and Y. G. Shevchuk, “Indicators of emotional burnout of pupils at the age of 15-17 years old and their dynamic changes during period of study in a modern school”, Biomed. and Biosoc. Anthrop., no. 39, pp. 5-11, Oct. 2020.