Columbia subject headings:
Harvard subject headings:
Cement industry workers--Argentina--Olivarría--Social conditions.
Industrial housing--Argentina--Olivarría.
Loma Negra (Cement factory : Olivarría, Argentina)
Princeton subject headings:
Cement industry workers--Argentina--Olavarría--Social conditions.
Industrial relations--Argentina--Olavarría.
Loma Negra (Factory : Olavarría, Argentina)