ABD RAHMAN, H.; MUSTAFFAR , M. Y. . Operational Excellence through an Evaluation of a Complaint Management System: : A Case Study of Universiti Teknologi MARA. Gading Journal for the Social Sciences (e-ISSN 2600-7568), [S. l.], v. 29, n. 1, p. 102–110, 2026. DOI: 10.24191/gading.v29i1.726. Disponível em: https://gadingssuitm.com/index.php/gadingss/article/view/726. Acesso em: 26 aug. 2026.