NURUL SUFNI; ABDUL FATTAH NASUTION; KHOIRUNNISA FADILA RAMBE; HAFIZ YUSUF NASUTION; FARADILLAH AMELIA. PEGARUH BUDAYA 5S (SENYUM, SAPA, SALAM, SANTUN, SOPAN) TERHADAP INTERAKSI SOSIAL SISWA KELAS XI MATRIKS SMA BUDISATRYA MEDAN. Cemara Education and Science, [S. l.], v. 3, n. 2, 2025. DOI: 10.62145/ces.v3i2.148. Disponível em: https://cemarajournal.com/journal/index.php/ces/article/view/148. Acesso em: 20 apr. 2026.