Primary & Secondary Education Information Center / Digital Textbook Team
Researcher PARK, Tae-Jung
Tel: 82-2-2118-1459 / Fax: 82-2-2278-4317 / Cell : 82-19-256-7542
E-mail: taejung@keris.or.kr
www.keris.or.kr 9th floor KERIS Bldg., 299, Toegyero, Jung-gu, Seoul, 100-400, Republic of Korea