Columbia subject headings:
Environmentally Preferable Purchasing Program (U.S.)
Industrial procurement.
Recycling (Waste, etc.)
Waste minimization.
Harvard subject headings:
Environmentally Preferable Purchasing Program (U.S.)
Industrial procurement.
Recycling (Waste, etc.)
Waste minimization.
Princeton subject headings:
Environmentally Preferable Purchasing Program (U.S.)
Industrial procurement.
Recycling (Waste, etc.)
Waste minimization.