YOLANDA BR. TARIGAN; LEONI PUTRI CANTIKA HULU; REZA SAHPUTRA SIHOMBING. Sikap Sopan Santun yang Harus Dimiliki Mahasiswa. SOSMANIORA: Jurnal Ilmu Sosial dan Humaniora, [S. l.], v. 3, n. 1, p. 84–89, 2024. DOI: 10.55123/sosmaniora.v3i1.3070. Disponível em: https://journal.literasisains.id/index.php/sosmaniora/article/view/3070. Acesso em: 25 feb. 2026.