Pavlenko, V. N., and Y. M. Tkachenko. “Temporal Logic Model of Performance in High School = Темпорально-логическая модель деятельности обучаемого в вузе”. Journal of Education, Health and Sport, vol. 5, no. 7, July 2015, pp. 258-70, https://apcz.umk.pl/JEHS/article/view/2785.