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://pooryafile.farafile.ir/file/25426/تحقیق-روش-های-علاقه-مند-نمودن-کودکان-به-درس-خواندن