00000nz a2200000n 4500 001 KSH1998043122 005 20021022000000 008 980704 n azknn|abn |a a|a | 150 ▼a교육 조사[敎育調査]▲ 450 ▼wr▼i영어▼aeducational survey▲ 550 ▼wg▼a조사(살피다)[調査]▲ 550 ▼a교육[敎育]▲