Coverage-suitability assessment and optimization of public service facilities within the 15-minute living circle: A case study of Nanjing’s main urban area
XU Ruiliang, LIU Qianqian, LIAO Ying, ZHANG Wenzhong, ZHAN Dongsheng
PROGRESS IN GEOGRAPHY . 2026, (1): 209 -224 .  DOI: 10.18306/dlkxjz.2026.01.015