About IKEDA Takayuki
About Univ. Ryukyus, JPN
About SONG Xiaojing
About Univ. Ryukyus, JPN
About Journal of Asian Architecture and Building Engineering
About survey on actual situation
About green tourism
About Sightseeing,recreation
About 沖縄
About グリーンツーリズム
About 進展
About 状況
About 将来
About 発展
About 可能性
About 研究