CHEN, Jundi. Research on the Problems and Countermeasures of Ecotourism Development in Bijia Mountain, Qingyuan: An Empirical Analysis Based on Online Comments and Policy Texts. Journal of Cities & Infrastructure, [S. l.], v. 1, n. 1, p. 9–16, 2025. DOI: 10.64229/h7zfqd78. Disponível em: https://jci.cultechpub.com/index.php/jci/article/view/3. Acesso em: 4 feb. 2026.