DAN YAO; YUN HAN. Border Study Tour Resource Mapping and Characteristic Route Design in Heilongjiang: A Practical System of Border Study Tours for Prosperous, Stable and Secure Borderlands. Education Research on Study Tours and Practice, [S. l.], v. 2, n. 3, p. 34–37, 2026. DOI: 10.63944/wdrb08. Disponível em: http://ojs.iajournals.cn/index.php/erstp/article/view/391. Acesso em: 15 jul. 2026.