온맵(On-Map) 서비스고도화사업연구결과보고서
Publisher: Chinhan Tosŏ
Published: 2017
Place of publication: Sŏul
Language: kor
ISBN-13: 9791129000781
Other titles: On maep (On-Map) sŏbisŭ kodohwa saŏp yŏn'gu kyŏlgwa pogosŏ