Kawase tsuuka kinyuu tetsudoukaikei chihouzaisei ni kansuru kenkyuu

Shina tsuuka mondai ni kansuru kenkyuu

Chuushi ni okeru tsuuka kinyuu ni kansuru chousa

Nanpou kakuchi tsuuka kinyuu ni kansuru senzen joukyou chousa

Nanpou kakuchi tsuuka kinyuu ni kansuru senzen joukyou chousa

Moratoriumu ni kansuru kenkyuu

Gin ni kansuru kenkyuu

Kin ni kansuru kenkyuu

Kawase seisan seido ni kansuru chousa

Teikoku tetsudou tokubetsu kaikei ni kansuru kenkyuu

Teikoku tetsudou tokubetsu kaikei ni kansuru kenkyuu

Gunjihi ni kansuru kenkyuu

Tennentou ni kansuru kenkyuu

Manshuu ni okeru tsuuka oyobi kinyuu

Juukei seifu no kinyuu kawase seisaku

Denki tousei ni kansuru kenkyuu

Keihi ni kansuru kenkyuu

Honpou fudousan kinyuu ni kansuru shotoukei

Honpou fudousan kinyuu ni kansuru shotoukei

Honpou fudousan kinyuu ni kansuru shotoukei

Honpou fudousan kinyuu ni kansuru shotoukei

Sengo ni okeru doitsu no zaisei keizai seido ni kansuru kenkyuu

Sengo ni okeru doitsu no zaisei keizai seido ni kansuru kenkyuu

Seishi kinyuu ni kansuru chousa

Kokutei shuushinsho ni kansuru kenkyuu