https://www.theguardian.com/business/2007/jun/20/privateequity1
https://en.wikipedia.org/wiki/Private_equity
https://www.investor.gov/introduction-investing/investing-basics/investment-products/private-investment-funds/private-equity
https://hbr.org/2007/09/the-strategic-secret-of-private-equity
https://www.cfainstitute.org/en/programs/cfa/charterholder-careers/roles/private-equity
https://www.forbes.com/advisor/investing/private-equity/
https://en.wikipedia.org/wiki/List_of_private-equity_firms