Columbia subject headings:
Harvard subject headings:
Rural development--Environmental aspects--Japan--Ryukyu Islands.
Rural development--Social aspects--Japan--Ryukyu Islands.
Sustainable development--Japan--Ryukyu Islands.
Princeton subject headings:
Rural development--Environmental aspects--Japan--Okinawa Islands.
Rural development--Social aspects--Japan--Okinawa Islands.
Sustainable development--Japan--Okinawa Islands.