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://filedawnload.farafile.ir/file/46479/نمونه-سوال-استخدامی-اندازه-گیری-سنجش-و-ارزشیابی-آموزشی