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.
지필평가 폐지! 과정중심 평가 도입! 학습과정으로만 평가하는 수행평가의 종류는? http://www.maeilschool.com/?p=1745