Heryanto, D., I. Tri Julianto, I. Apriliani, and M. Agreindra Helmiawan. “DESIGN OF A PLANE FIGURE MATHEMATICS EDUCATION GAME FOR CLASS IV STUDENTS BASED ON ANDROID ”. Jurnal Teknik Informatika (Jutif), Vol. 4, no. 5, Oct. 2023, pp. 1211-6, doi:10.52436/1.jutif.2023.4.5.1413.