KOZARYN, W. O.-. Three Roles of Universities in the Management of Educational Services at Lecture. American Journal of Creative Education, [S. l.], v. 2, n. 4, p. 161–172, 2019. DOI: 10.20448/815.24.161.172. Disponível em: http://onlinesciencepublishing.com/index.php/ajce/article/view/339. Acesso em: 6 may. 2024.