LI, Yingmei. Crisis Event Handling Mechanism in Colleges and Universities based on 4R Theory: -- A Case Study of an Acutely Mentally Ill Student. Academic Journal of Management and Social Sciences, [S. l.], v. 5, n. 3, p. 158–164, 2023. DOI: 10.54097/dzzw33q4. Disponível em: https://drpress.org/ojs/index.php/ajmss/article/view/15576. Acesso em: 25 jun. 2026.