ZUO, Hang; MIAO, Guodong; LIU, Tianning. Analysis of Regional Economic Development Level in Sichuan Province based on Grey Clustering Model. Journal of Social Science and Humanities, [S. l.], v. 7, n. 10, p. 79–85, 2025. DOI: 10.53469/jssh.2025.7(10).16. Disponível em: https://bryanhousepub.com/index.php/jssh/article/view/2664. Acesso em: 14 jan. 2026.