통계청kostat.go.kr/file_total/eduSri/23-4-01.pdf · 2019. 1. 2. · Vijklm nijklm cws klm GCWS iklm A CWS jklm 1,2, I m 1,2) (2.1) ws 1m Ell (VvT='2)', 71--õ71 ijk + ijl + GA