KERTA, Johan Muliadi; JUFRI, Wike Apryanto; NUGROHO, Alexander Aryo; KURNIAWAN, Andreas. Analisis dan Perancangan Sistem Interactive Voice Response (IVR) Berbasis Openvxi Menggunakan Asterisk Pada Hotel Sahid Jaya. ComTech: Computer, Mathematics and Engineering Applications, [S. l.], v. 1, n. 2, p. 723–736, 2010. DOI: 10.21512/comtech.v1i2.2573. Disponível em: https://journal.binus.ac.id/index.php/comtech/article/view/2573. Acesso em: 12 may. 2025.