CiNii (JP) http://ci.nii.ac.jp/ |
J-STAGE (JP) http://www.jstage.jst.go.jp |
RISS (KR) http://www.riss4u.net/ |
NDSL (KR) http://www.ndsl.kr/ |
Dbpia (KR) http://www.dbpia.co.kr/ |
ITFIND (KR) http://www.itfind.or.kr/ |
KiSTi (KR) http://society.kisti.re.kr/ |
Google Scholar (US) http://scholar.google.com/ |
CnKi (CN) http://www.cnki.net/ |