jordy, Roy Jordy, Hendra Marcos, Jaka Wijaya Kusuma, Dhanar Intan Surya Saputra, and Purwadi Purwadi. 2023. “Game Design Documents for Mobile Elementary School Mathematic Educative Games”. Journal of Soft Computing Exploration 4 (2). https://doi.org/10.52465/joscex.v4i2.129.