Savitska Viktoriіa, and Oksana Krychkivska. “HIGHER EDUCATION GAMIFICATION: THE TRINITY OF PBL AS A TOOL FOR EDUCATIONAL PROCESS MODERNIZATION”. Physical and Mathematical Education, vol. 33, no. 1, Apr. 2022, pp. 43-47, https://doi.org/10.31110/2413-1571-2022-033-1-007.