Columbia subject headings:
Harvard subject headings:
Iron and steel workers--Labor unions--Peru--Chimbote.
Steel industry and trade--Peru--Chimbote.
Steel industry and trade--Peru.
Strikes and lockouts--Steel industry--Peru--Chimbote.
Princeton subject headings:
Iron and steel workers--Labor unions--Peru--Chimbote.
Steel industry and trade--Peru--Chimbote.
Steel industry and trade--Peru.
Strikes and lockouts--Steel industry--Peru--Chimbote.