https://medium.com/@begumaydos/ger%C3%A7ek-zamanl%C4%B1-analitik-ve-an%C4%B1nda-karar-verme-crm-sistemlerinde-devrimsel-d%C3%B6n%C3%BC%C5%9F%C3%BCm-bbe26a127c78
