Zikos, S., M. Tsourma, E. E. Lithoxoidou, A. Drosou, D. Ioannidis, and D. Tzovaras. “User Acceptance Evaluation of a Gamified Knowledge Sharing Platform for Use in Industrial Environments”. International Journal of Serious Games, Vol. 6, no. 2, June 2019, pp. 89 - 108, doi:10.17083/ijsg.v6i2.275.