00000nz a2200000n 4500 001 KSH2006002401 005 20060303135412 008 060303 n azknn|abn |a a|a | 150 ▼a투표 이론[投票理論]▲ 450 ▼wr▼i영어▼avoting theory▲ 550 ▼wg▼a선거론[選擧論]▲ 550 ▼a투표[投票]▲