Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Saito Tami and Sugisawa Hidehiro and Harada Ken and Kai Ichiro,Population aging in local areas and subjective well-being of older adults: Findings from two studies in Japan,BioScience Trends,1881-7815,International Research and Cooperation Association for Bio & Socio-Sciences Advancement,2016,10,2,103-112,https://cir.nii.ac.jp/crid/1390282680714598016,https://doi.org/10.5582/bst.2015.01174