Pilar, L., Moulis, P., Pitrová, J., Bouda, P., Gresham, G., Balcarová, T. and Rojík, S. (2019) ’Education and Business as a key topics at the Instagram posts in the area of Gamification’, Journal on Efficiency and Responsibility in Education and Science, vol. 12, no. 1, pp. 26-33. https://doi.org/10.7160/eriesj.2019.120103