AHMAD AFRIDI, S. MEASUREMENT OF SERVICE QUALITY GAP IN THE SELECTED PRIVATE UNIVERSITIES/INSTITUTES OF PESHAWAR USING SERVQUAL MODEL. CITY UNIVERSITY RESEARCH JOURNAL, [S. l.], v. 6, n. 1, 2019. Disponível em: http://www.cusitjournals.com/index.php/CURJ/article/view/83. Acesso em: 9 may. 2024.