Zareinejad M. Performance evaluation of service quality in higher education institutions using modified SERVQUAL approach with Grey Analytic Hierarchy Process (G-AHP) and multilevel grey evaluation. Iberoameric. Journ. Ind. Eng. [nternet]. 25º de setembro de 2014 [citado 3º de maio de 2024];6(11):271-93. isponível em: https://incubadora.periodicos.ufsc.br/index.php/IJIE/article/view/2625