Lestari AC, Solehah ANB, Maghfiroh AA, Fitriyah IA, Septiadi DD, Annizar AM. PENGEMBANGAN SOAL OLIMPIADE MATEMATIKA SMA KELAS XI MATERI SISTEM PERTIDAKSAMAAN LINIER DUA VARIABEL. Aritmatika [Internet]. 2020Jun.5 [cited 2024Nov.22];1(1):1-21. Available from: https://aritmatika.uinkhas.ac.id/index.php/arm/article/view/1