by 강두석, Doo Suk Kang, 임정덕, Jung Duk Lim
Published in Ch'eyuk kwahak yŏn'gu (30.12.2008)

by 김성주, Sung Ju Kim, 임정덕, Jung Duk Lim, 이종호, Jong Ho Lee
Published in 한국경제지리학회지 (30.12.2008)