End-to-end encryption and privacy controls.
Message and call for free* around the world.
Group conversations made simple.
Say it with stickers, voice, GIFs and more.
Reach your customers from anywhere.
https://dcivil.ir/2189/اخبار-دکتری/اعلام-دروس-آزمون-جامع-دکتری-دانشگاه-آز/