Cost of doing business survey of petroleum retailers in Denver
Subtitle: with supplements
Series: Business bulletin / Bureau of Business and Government Research, University of Colorado -- no. 37
Publisher: Bureau of Business and Government Research, Extension Division, University of Colorado
Published: 1938
Place of publication: Boulder
Language: eng
Number of pages: 15
Subjects: Petroleum industry and trade
Notes: In cooperation with Denver Association of Petroleum Retailers.

Cover title.