00000nz a2200000n 4500 001 KSH1998043126 005 20021022000000 008 980704 n azknn|abn |a a|a | 150 ▼a교육 폭발[敎育爆發]▲ 450 ▼a교육 경쟁[敎育競爭]▲ 450 ▼a교육 위기[敎育危機]▲ 450 ▼wr▼i영어▼aeducation explosion▲ 550 ▼a교육[敎育]▲