ANALISIS KEMAMPUAN MATEMATIKA SISWA KELAS IV SD SWASTA HKBP PARDAMEAN TERKAIT PENJUMLAHAN PECAHAN SEDERHANA. JIIC [Internet]. 2025 Mar. 11 [cited 2026 Jul. 14];2(3):4634-41. Available from: https://jicnusantara.com/index.php/jiic/article/view/2734