Columbia subject headings:
Harvard subject headings:
Collective labor agreements--Construction industry--Québec (Province)
Construction workers--Legal status, laws, etc.--Québec (Province)
Construction workers--Québec (Province)
Job security--Québec (Province)
Princeton subject headings:
Collective labor agreements--Construction industry--Québec (Province).
Construction workers--Legal status, laws, etc.--Québec (Province).
Construction workers--Québec (Province).
Job security--Québec (Province).