ALVIYANA, A.; ASTRILYANA, A. Application of the servqual method for evaluation of PDAM service quality . Jurnal Mandiri IT, [S. l.], v. 12, n. 1, p. 13–19, 2023. DOI: 10.35335/mandiri.v12i1.219. Disponível em: https://ejournal.isha.or.id/index.php/Mandiri/article/view/219. Acesso em: 17 apr. 2026.