00000nz a2200000n 4500 001 KSH2000038454 005 20021021000000 008 001216 n azknn|abn |a a|a | 150 ▼a과제장[課題帳]▲ 450 ▼wr▼i영어▼aexercise book▲ 550 ▼a과제[課題]▲