Toshi ni okeru suimen ryokuchi no shonetsu kanwa ni kansuru chousa kenkyuu

Toshi ni okeru ryokuchi no kishou kanwa sayou ni kansuru kenkyuu

Chuusei ni okeru toshi no kenkyuu

Toshi ni okeru youto fukugou kenchiku no setsubi fuka ni kansuru chousa kenkyuu

Toshi no netsu kankyou ni oyobosu ryokuhi no kouka ni kansuru kenkyuu

Yasai no shisetsu seisan ni okeru dojou sutoresu kanwa gijutsu ni kansuru kenkyuu

Toshi ni okeru yushutsunyuu kontena yusou ni kansuru kisoteki kenkyuu

Toshi keikan hyouka ni okeru hendou youso no eikyou ni kansuru kenkyuu

Nagoyashi ni okeru shougyou shokan ni kansuru chousa kenkyuu

Kigyou toshi ni okeru chuukaku kigyou no seisui ni tomonau toshi shisetsu seibi ni kansuru kenkyuu

Toshi ni okeru ninsanpu hogo jigyou ni kansuru chousa

Anettai ni okeru wagyuu no sannikusei ni kansuru kenkyuu

Isewan ni okeru minato kaigan henka ni kansuru chousa kenkyuu

Porishingu ni okeru kakoumen no heikatsuka ni kansuru kenkyuu

Kami hyoumen ni okeru saizuzai no kyarakutarizēshon ni kansuru kenkyuu

Kindai ni okeru rekishiteki toshi to kougyou toshi no keisei no kenkyuu

Toshi keikan ni okeru shikisai to sono hyouka kouzou ni kansuru kenkyuu

Wagakuni no toshi chiiki ni okeru yoka katsudou patān ni kansuru chirigakuteki kenkyuu

Ekitai iou ni okeru hikari yuuki juugouka to sono kanwa katei ni kansuru kenkyuu

Nihon ni okeru gakkou chousa no hihanteki kenkyuu

Nihon ni okeru gakkou chousa no hihanteki kenkyuu

Kouatsuiki ni okeru genkai netsu ryuusoku ni kansuru kenkyuu

Nihon kindai toshi keikakushi ni okeru chouka shuuyou seido ni kansuru kenkyuu

Toshi ni okeru tanshin setai no kyojuu jittai to ikou ni kansuru kisoteki kenkyuu

Koukangui ni okeru dojounetsu riyou shisutemu ni kansuru kenkyuu