Sembiring, Reginata Thesalonika, Agnes Veronika Br Tarigan, Adela Siregar, and Elvi Mailani. 2026. “PROBLEMS IN ELEMENTARY SCHOOL STUDENTS’ UNDERSTANDING OF MATHEMATICAL CONCEPTS AS SEEN FROM TEACHERS’ TEACHING METHODS”. Jurnal Merah Putih Sekolah Dasar 2 (3):270-74. https://doi.org/10.24114/jmpsd.v2i3.72191.