Keijirō Ōtsuka

• Chūgoku no mikuro keizai kaikaku
• Chūgoku no sangyō hatten to gijutsu dōnyū
• Enjo ni kakawaru sofuto-men no taisei kyōka no tame no kokusai hikaku kenkyū, Beikoku Kanada no kenkyū o chūshin to shite
• 貧困と経済発展