SUWARDANA, R. T.; WALUYO, M. Using Servqual and IPA for Service Improvement at SuperIndo Surabaya: Penggunaan Servqual dan IPA untuk Peningkatan Layanan di SuperIndo Surabaya. Academia Open, [S. l.], v. 11, n. 1, p. 10.21070/acopen.11.2026.14056, 2026. DOI: 10.21070/acopen.11.2026.14056. Disponível em: https://acopen.umsida.ac.id/index.php/acopen/article/view/14056. Acesso em: 17 jul. 2026.