United States. Bureau of the Census. "Rates of Change," in United States. Bureau of the Census. "April 1989," Business Conditions Digest (April 1989) : 47-47. https://fraser.stlouisfed.org/title/43/item/7512/toc/317187 , accessed on April 19, 2024.
United States. Bureau of the Census. "Rates of Change," in United States. Bureau of the Census. "April 1989," Business Conditions Digest (April 1989) : 47-47. https://fraser.stlouisfed.org/title/43/item/7512/toc/317187 , accessed on April 19, 2024.