Telefon ile Güvenli Canlı Ders Oluşturma

https://youtu.be/4uMAIzJF_X4

https://youtu.be/Yk1rWi-IEPk

https://www.youtube.com/watch?v=ZcGNTokXqps&list=PLxdm_OlR_4QL_gbUWKwPVIq2B1uY1ASEc&index=16

https://youtu.be/4uMAIzJF_X4

https://youtu.be/Fyq_AOBeT80

https://www.youtube.com/watch?v=kpvyPh1xwGo