TY JOUR TI Integration of game techniques into the learning process of physics and mathematics as a factor in increasing academic motivation and olympiad activity of students KW gaming techniques KW gamification KW physics KW mathematics KW educational motivation KW Olympiad activity KW online learning KW innovative pedagogical technologies JO Journal of Applied Research AU Klochko, K.P. AU Haliullina, R.E. PY 2026 IS PB ITBO University