JIXUE LIU. Design of Border Study Tour Routes: Heihe Border Study Tour Practice with the Theme of "Tracing the Origins and Rivers". Education Research on Study Tours and Practice, [S. l.], v. 2, n. 3, p. 38–42, 2026. DOI: 10.63944/wdrb09. Disponível em: http://ojs.iajournals.cn/index.php/erstp/article/view/392. Acesso em: 15 jul. 2026.