ANGELIA PUTRIANA; SITI AISYAH; APRILIANI LASE; SABAM SYAHPUTRA; APRILANA LASE. Analisis Kebersihan Air Kamar Mandi di Lingkungan Kampus 1 IAKN (Institut Agama Kristen Negeri) Tarutung. TOBA: Journal of Tourism, Hospitality, and Destination, [S. l.], v. 2, n. 3, p. 90–96, 2023. DOI: 10.55123/toba.v2i3.4071. Disponível em: https://journal.literasisains.id/index.php/toba/article/view/4071. Acesso em: 4 mar. 2026.