Лангуев, К. А., and Е. С. Богомолова. “ФАКТОРЫ РИСКА В УСЛОВИЯХ СОВРЕМЕННОЙ ШКОЛЬНОЙ СРЕДЫ”. Children’s Medicine of the North-West, Vol. 9, no. 1, Sept. 2021, pp. 218-9, https://ojs3.gpmu.org/index.php/childmed/article/view/2794.