Setyowati, Hetining, Ismiyanto Ismiyanto, and Ariy Khaerudin. “ Pertanggungjawaban Perdata Terhadap Layanan Perpesanan Online Hotel Melalui E-Commerce Sebagai Upaya Perwujudan Kepastian Hukum (Studi Kasus Pada Hotel Ommaya Di Kabupaten Sukoharjo) ”. Innovative: Journal Of Social Science Research 5, no. 1 (February 10, 2025): 5738–5750. Accessed August 19, 2026. https://j-innovative.org/index.php/Innovative/article/view/18003.