Astafeva, O.V., O.A. Borodina, L.V. Perednih, and S.A. Ulyanova. “Determining the Digital Maturity Index for Assessing Population Health”. Theory and Practice of Physical Culture, no. 10 (December 4, 2025): 43–45. Accessed December 5, 2025. http://tpfk.ru/index.php/TPPC/article/view/1484.