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.
http://unionline.farafile.ir/file/46674/طرح-درس-و-روش-تدریس-علوم-سوم-درس-8-جست-و-جو-کنیم-و-بسازیم