WANG, Jiaqi. Current Situation on Making Friends Among Tsinghua Graduate Students. Journal of Education, Humanities and Social Sciences, [S. l.], v. 24, p. 1–8, 2023. DOI: 10.54097/e3zd1958. Disponível em: https://drpress.org/ojs/index.php/EHSS/article/view/15623. Acesso em: 17 sep. 2026.