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://shetab.farafile.ir/file/41726/تحقیق-اهمیت-کارکردهای-اجرایی-و-برنامه-درسی-در-توانبخشی-شغلی