классрум - SERP Analysis

https://classroom.google.com/u/1/h

https://edu.google.com/workspace-for-education/products/classroom/

https://play.google.com/store/apps/details%3Fid%3Dcom.google.android.apps.classroom%26hl%3Dru

https://sites.google.com/view/classrooms-workspace/

https://support.google.com/edu/classroom/%3Fhl%3Den

https://apps.apple.com/us/app/google-classroom/id924620788