■ Korean study series made in separate book
■ Publishing editors with long experience are based on the National Language Dictionary of Korean National Standard Dictionary.
■ A comprehensive version of the Korean language study series has also been released.

In the spelling of Korean, the most difficult is the spacing,
Try it with your fingertips.
Use your fingertips to try the spacing when you see the problem presented.
Each issue contains detailed commentary and spacing principles.
You can focus on the wrong and important issues separately.
For reference, all problems and explanations follow the principle of spacing of the National Language Space.