Sembiring, R. T., Tarigan, A. V. B., Siregar, A., & Mailani, E. (2026). PROBLEMS IN ELEMENTARY SCHOOL STUDENTS’ UNDERSTANDING OF MATHEMATICAL CONCEPTS AS SEEN FROM TEACHERS’ TEACHING METHODS. Jurnal Merah Putih Sekolah Dasar, 2(3), 270–274. https://doi.org/10.24114/jmpsd.v2i3.72191