MUHAMMAD AWWAL, U.; GIDADO SUDI, D. . Psychometrical Properties of SERVPERF Model in Measuring Service Quality in Tertiary Educational Institutions. International Journal of Intellectual Discourse, [S. l.], v. 9, n. 1, 2026. Disponível em: https://www.ijidjournal.org/index.php/ijid/article/view/1074. Acesso em: 21 apr. 2026.