TIAN, Yueran. A Comparative Study of Sex Education in Primary and Secondary Schools in China and the United States. Journal of Education, Humanities and Social Sciences, [S. l.], v. 17, p. 165–170, 2023. DOI: 10.54097/ehss.v17i.10487. Disponível em: https://drpress.org/ojs/index.php/EHSS/article/view/10487. Acesso em: 22 apr. 2026.