Nurul Sufni, Abdul Fattah Nasution, Khoirunnisa Fadila Rambe, Hafiz Yusuf Nasution, & Faradillah Amelia. (2025). PEGARUH BUDAYA 5S (SENYUM, SAPA, SALAM, SANTUN, SOPAN) TERHADAP INTERAKSI SOSIAL SISWA KELAS XI MATRIKS SMA BUDISATRYA MEDAN. Cemara Education and Science, 3(2). https://doi.org/10.62145/ces.v3i2.148