Ni Ketut Arum, et al. “ Pedagogical Design of Digital Educational Games for Improving Students’ Mathematical Concepts Understanding: A Systematic Literature Review”. EduMatSains : Jurnal Pendidikan, Matematika Dan Sains, vol. 10, no. 3, Jan. 2026, pp. 162-74, doi:10.33541/edumatsains.v10i3.7609.