ISSN 1004-6879

CN 13-1154/R

　
Journal of Chengde Medical University
基于结构方程模型的河北省农村空巢老年人养老现状及影响因素研究
单伟颖, 宁艳娇, 杨佳琪, 单伟超, 齐明月
Journal of Chengde Medical University . 2022, (4): 354 -358 . 

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