Yin, H. et al. 2026. A Rough Set-Cloud Model Approach for Digital Twin-Enabled Natural Heritage Protection Evaluation: A Case Study of Huanglong Scenic Area, China. Frontiers in Economics and Management. 7, 7 (Jul. 2026), 52–60. DOI:https://doi.org/10.6981/FEM.202607_7(7).0006.