Okinawa Kokusai Daigaku. Sangyō Sōgō Kenkyūjo

• Okinawa ni okeru chiikinai kakusa to kinkōteki hatten ni kansuru kenkyū
• Chiiki tokusei no sūryōteki hyōka to Okinawa no yōsō
• Okinawa no kankō, kankyō, jōhō sangyō no shintenkai