Columbia subject headings:
Agriculture--Social aspects--Portugal--Soajo.
Soajo (Portugal)--Rural conditions.
Soajo (Portugal)--Social conditions.
Social change--Portugal--Soajo.
Harvard subject headings:
Agriculture--Social aspects--Portugal--Soajo.
Soajo (Portugal)--Rural conditions.
Soajo (Portugal)--Social conditions.
Social change--Portugal--Soajo.
Princeton subject headings:
Agriculture--Social aspects--Portugal--Soajo.
Soajo (Portugal)--Rural conditions.
Soajo (Portugal)--Social conditions.
Social change--Portugal--Soajo.