Improvement of The Activities of Student Services at University North, University Center Varaždin. Vallis Aurea, [S. l.], v. 2, n. 1, p. 5–17, 2016. DOI: 10.2507/IJVA.2.1.1.23. Disponível em: https://ojs.srce.hr/index.php/vallisaurea/article/view/26377. Acesso em: 23 aug. 2025.