柯恩 ((Cohen, Alan))

讓自己更快樂 : 活得更充實、愛得更自由 by: Cohen, Alan; 柯恩 ((Cohen, Alan)); 郭和杰; 鍾榕君 (Language materials, printed) , [作]

鬥智厚黑學 : 鬥智不鬥氣, 腦力勝過蠻力的老謀深算成功學 by: Cohen, Alan; 柯恩 ((Cohen, Alan)) (Language materials, printed) , [作]

每個星期從一個故事開始 by: Cohen, Alan; 柯恩 ((Cohen, Alan)); 王育英 (Language materials, printed) , [作]

鬥智厚黑學 by: 柯恩 ((Cohen, Alan)) (Language materials, printed) , [作]