Sotnikova-Meleshkina, Z. V., and O. V. Martynenko. “A Multivariate Method of Evaluating the Effectiveness of Optimizing the Daily Routine of Schoolchildren”. Reports of Vinnytsia National Medical University, Vol. 24, no. 4, Dec. 2020, pp. 659-64, doi:10.31393/reports-vnmedical-2020-24(4)-17.