Spatiotemporal change and influencing factors of urban land green use efficiency from the perspective of space of flow: A case study of the Jiangsu-Anhui-Shandong-Henan region
ZHANG Ke, LI Xiaoshun, CHEN Jiangquan, GENG Yiwei, SHAO Zhehan, ZHANG Jie
PROGRESS IN GEOGRAPHY . 2026, (2): 329 -345 .  DOI: 10.18306/dlkxjz.2026.02.008