About KAWAI KATSUYOSHI
About 明治学院大 社会
About elderly person
About strategy
About metropolitan sphere
About care
About migration of population
About service
About feasibility
About social welfare
About the aged
About 地方移住
About 東京圏高齢化危機回避戦略
About Urban problems,urban disaster prevention
About 地方
About 移住
About 東京
About 高齢化
About 危機回避
About 戦略