Alfiahni S, Harfiyani. MATHEMATICAL REASONING ABILITY OF STUDENTS AT SMA NEGERI 1 BELINYU ON THREE-DIMENSIONAL GEOMETRY. Perpendicular [Internet]. 2024 Mar. 30 [cited 2025 Aug. 2];1(1):1-10. Available from: https://jurnal.dokicti.org/index.php/perpendicular/article/view/906