Xun LiuSiyu ChenZhenhan DingBixiao Xu2025-05-222025-05-222023jz000180-0242https://tustorage.ulb.tu-darmstadt.de/handle/tustorage/38336600Bidding Evaluation and Contractor Selection Using Balance Index Model and Comprehensive Input Efficiency Based on Data Envelopment AnalysisArticlehttps://doi.org/10.3390/systems11050245