이러닝백서 2012-2013 / 산업통상자원부著
Publisher: Chinhan Tosŏ
Published: 2014
Place of publication: Sŏul
Language: kor
ISBN-13: 9788984328556
Other titles: Irŏning paeksŏ 2012-2013 / Sanŏp T'ongsang Chawŏnbu