三原, 伊文, 石光, 冴介, 山口, 伸弥, 古賀, 英司, 嶋津, 裕樹, 内田, 誠, 藤本, 正明
大島商船高等専門学校紀要
43
25-29,
2010-12
The depopulation of Japanese local areas by aging has been quickly going. Suo-Oshima-cho where the Oshima National College of Maritime Technology is located in is not also exception. The population …
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