https://economicstars.com/2022/06/17/%d8%a7%d9%84%d8%aa%d8%af%d8%ae%d9%84-%d9%81%d9%8a-%d8%b3%d9%88%d9%82-%d8%a7%d9%84%d8%b5%d8%b1%d9%81-%d8%a7%d9%84%d8%a3%d8%ac%d9%86%d8%a8%d9%8a-intervention-in-the-foreign-exchange-market/