考克 ((Koch, Richard))

英檢必考介系詞100初級 = General English proficiency test by: 大原; 考克 ((Koch, Richard)) (Language materials, printed) , [著]

瞄準利基的策略 by: 吳幸玲; Koch, Richard; 考克 ((Koch, Richard)) (Language materials, printed) , [著]

英檢必考句型100初級 = General English proficency TEST by: 考克 ((Koch, Richard)) (Language materials, printed) , [著]

英檢必考單字1500初級 by: 考克 ((Koch, Richard)) (Language materials, printed) , [著]

英檢必考單字2500中級 by: 考克 ((Koch, Richard)); 大原英語研究社 (Language materials, printed) , [著]