Jurczyk-Romanowska E. Virtual initiation of persons in late adulthood - from classroom/lesson education to gamification. JECS [Internet]. 2016 Jun. 28 [cited 2024 May 16];7(1):167-79. Available from: https://www.e-methodology.eu/index.php/jecs/article/view/10.15503jecs20161.167.179