Roswita, Roswita, Eliza Bahar, and Citra Restu. 2022. “Karakter Sopan Santun Siswa Kelas Tinggi SDN No 13/1 Muara Bulian”. Indonesian Journal of Education Research (IJoER) 3 (1), 11-15. https://doi.org/10.37251/ijoer.v3i1.551.