ANALISIS KESULITAN SISWA PADA MATERI PENGENALAN GEOMETRI DI KELAS 2 SDN 130 PEKANBARU. JTA [Internet]. 2022 Feb. 1 [cited 2025 Dec. 18];5(1):11-20. Available from: https://jta.ejournal.unri.ac.id/index.php/JTA/article/view/178