Productivity Measures for Selected Industries and Government Services : Bulletin of the United States Bureau of Labor Statistics, No. 2296
United States. Bureau of Labor Statistics. "Productivity Measures for Selected Industries and Government Services : Bulletin of the United States Bureau of Labor Statistics, No. 2296," Productivity Measures for Selected Industries (February 1988). https://fraser.stlouisfed.org/title/4825/item/530792, accessed on April 23, 2024.