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://emadz.farafile.ir/file/22587/پرسشنامه-ارزیابی-اختلالات-رفتاری-(خانزاده-فیروزجاه-و-پرند-1386)