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://mechanic.farafile.ir/file/6297/پروپوزال-ارزیابی-عملکرد-به-روش-ترکیبی-bsc-و-ahp-و-topsis