ANALISIS KEMAMPUAN KONSEP MATEMATIS SISWA KELAS VII SMP PADA MATERI ALJABAR. Abacus: Acad. J. Math. Learn. Educ. [Internet]. 2020 Dec. 15 [cited 2024 May 16];3(2):70-84. Available from: https://jurnal.upg.ac.id/index.php/abacus/article/view/604