GUO, Yuchen; GUO, Jianwei. Dynamic Analysis of Ecological Efficiency in Urban Tourism Industry Based on Dea-malmquist Model. Informatica, [S. l.], v. 48, n. 18, 2024. DOI: 10.31449/inf.v48i18.6172. Disponível em: https://puffbird.ijs.si/index.php/informatica/article/view/6172. Acesso em: 22 jun. 2025.