by Belinder | Sep 19, 2021 | Economics
https://openstax.org/details/books/principles-microeconomics-2ehttps://www.khanacademy.org/economics-finance-domain/ap-macroeconomics/economic-iondicators-and-the-business-cycle/21/v/circular-flow-of-income-and-expenditureshttps://www.investopedia.com/terms/circular-flo...
