Columbia subject headings:
Social surveys--Thailand, Northeastern.
Thailand, Northeastern--Economic conditions.
Thailand, Northeastern--Rural conditions.
Villages--Thailand, Northeastern.
Harvard subject headings:
Ban Amphawan (Thailand)--Economic conditions.
Ban Amphawan (Thailand)--Social conditions.
Ban Han (Thailand)--Economic conditions.
Ban Han (Thailand)--Social conditions.
Rice trade--Thailand--Ban Amphawan.
Rice trade--Thailand--Ban Han.
Rice--Thailand--Ban Amphawan.
Rice--Thailand--Ban Han.
Rural development--Thailand--Ban Amphawan.
Rural development--Thailand--Ban Han.
Princeton subject headings:
Ban Amphawan (Thailand)--Economic conditions.
Ban Amphawan (Thailand)--Social conditions.
Ban Han (Thailand)--Economic conditions.
Ban Han (Thailand)--Social conditions.
Rice trade--Thailand--Ban Amphawan.
Rice trade--Thailand--Ban Han.
Rice--Thailand--Ban Amphawan.
Rice--Thailand--Ban Han.
Rural development--Thailand--Ban Amphawan.
Rural development--Thailand--Ban Han.