Tetsudou senro no keizai hikaku ni kansuru kenkyuu

Shinbunshi ni kansuru seido no hikaku kenkyuu

Burokku keizai ni kansuru kenkyuu : toua burokku keizai kenkyuukai kenkyuu houkoku

Burokku keizai ni kansuru kenkyuu : toua burokku keizai kenkyuukai kenkyuu houkoku

Gaika kansan kaikei no kokusai hikaku ni kansuru kenkyuu

Keizai chiiki ni kansuru shomondai no kenkyuu

Keizai chiiki ni kansuru shomondai no kenkyuu

Nichiman keizai tousei ni kansuru kenkyuu

Kyuusai jigyou no hikaku kenkyuu

Tetsudou roban no shiji tokusei to roban kyouka ni kansuru kenkyuu

Burokku keizai no honshitsu ni kansuru houkoku : toua burokku keizai kenkyuukai kenkyuu houkoku

Hikari tsuushin senro ni okeru shinsen taishou gijutsu no jitsuyouka ni kansuru kenkyuu

Tetsudou kidenkei no denki zetsuen ni kansuru kiso kenkyuu

Teikoku tetsudou tokubetsu kaikei ni kansuru kenkyuu

Teikoku tetsudou tokubetsu kaikei ni kansuru kenkyuu

Nichieigo hikaku kenkyuu

Bouseki gaisha no hikaku kenkyuu

Hikaku kenkyuu jichi no seizui

Higashiajia shokoku ni okeru kankyou seisaku no hatten katei ni kansuru hikaku kenkyuu

Kankoku tetsudou senro annai

Kanan tetsudou senro annai

Keizai gakuha hikaku hyouron

Daitoshi tsuukin tetsudou no sokudo koujou no kouka ni kansuru kenkyuu

Tousei keizai houki ihan jiken ni kansuru kenkyuu

Dai gokai tetsudou doushi kaiseki ni oite wakayama senro hikakusen ni taisuru iken