Active Korean 2 [Text] / ; Language Education Institute, Seoul National University... – Seoul : Two Ponds, 2007. - 158 p., ill.;+ 1 electronic optical disk (CD-ROM) . . . – [n. c.] – ISBN 978-89-539-1233-5 : 0 tg.

Active Korean 1 [Text] / ; Language Education Institute, Seoul National University... – Seoul : Two Ponds, 2006. - 162 p., ill.;+ 1 electronic optical disk (CD-ROM) . . . – [n. c.] – ISBN 978-89-539-1229-8 : 0 tg.

LEE JANGHWAN

An-Other Seoul = 또, 하나의 서울 [Text] / Janghwan Lee ; Urban Space Improvement Bureau Seoul ; [editors: Taehyung Kim, Jonghyun Lim ; translation Kiwon Choi]... – Seoul : Urban Space Improvement Bureau (USIB), 2020. - 163 p., 251 p., ill.; - Text in English, Korean. - Upside down book. - On the cover: "An-Other Seoul: Appendix" . . – [n. c.] – ISBN 979-11-6161-639-1 : 0 tg.