Jiandong PengJingjing LiHong YangLele Sun2025-05-142025-05-142025jz000158-0164https://tustorage.ulb.tu-darmstadt.de/handle/tustorage/33228550Nonlinear Impact of Built Environment on Older Adults’ Bus Use Behavior: A Hybrid Model Considering Spatial HeterogeneityArticlehttps://doi.org/10.3390/ijgi14040148