Pilar L, Moulis P, Pitrová J, Bouda P, Gresham G, Balcarová T, Rojík S. Education and Business as a key topics at the Instagram posts in the area of Gamification. ERIES Journal [Internet]. 2019 Apr. 2 [cited 2024 Nov. 28];12(1):26-33. Available from: https://www.eriesjournal.com/index.php/eries/article/view/231