표준중학문법 / 이원구, 이은문 지음
By: Yi Wŏn-gu, Yi Ŭn-mun chiŭm
Series: Mun'gyobu injŏngp'il
Publisher: Suhaksa
Published: 2019
Place of publication: Sŏul
Language: kor
Other titles: P'yojun chunghak munpŏp