Columbia subject headings:
Benchmarking (Management)
Chemical industry--United States--Accounting.
Environmental auditing--United States.
Petroleum industry and trade--United States--Accounting.
Harvard subject headings:
Benchmarking (Management)
Chemical industry--United States--Accounting.
Environmental auditing--United States.
Petroleum industry and trade--United States--Accounting.
Princeton subject headings:
Benchmarking (Management)
Chemical industry--United States--Accounting.
Environmental auditing--United States.
Petroleum industry and trade--United States--Accounting.