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://digifile.farafile.ir/file/12512/تحقیق-کاربرد-مديريت-دانش-در-سنجش-درجه-ی-بلوغ-سازمانی