N. Moos Evgeny, V. Moos Elena, Functional State Hardware Evaluation System in Educational Medium, Journal of Current Scientific Research, Volume 1, Issue 3, 2022, Pages 42-48, ISSN 2766-8681, https://doi.org/10.14302/issn.2766-8681.jcsr-21-3762.
(http://oap-lifescience.orgjcsr/article/1766)
Keywords: Heart rate variability; educational environment; hardware-software complex Varikard