Columbia subject headings:
Hours of labor--Developed countries.
Hours of labor--Social aspects--Developed countries.
Quality of work life--Developed countries.
Quality of work life--Social aspects--Developed countries.
Harvard subject headings:
Hours of labor--Developed countries.
Hours of labor--Social aspects--Developed countries.
Quality of work life--Developed countries.
Quality of work life--Social aspects--Developed countries.
Princeton subject headings:
Hours of labor--Italy.
Hours of labor.