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Types, Differences, and Optimization of the Spatial Match of Supply and Demand of Elderly Canteens in Guangzhou
Lin Lin, Wei Xiao, Minyu Gu, Yixin Fan, Zhiping Zhong
Tropical Geography . 2022, (8): 1301 -1313 .  DOI: 10.13284/j.cnki.rddl.003504