葉俊億

服務精實六標準差 by: 喬治 ((George，Michael L.)); 葉俊億 (Language materials, printed) , [譯]

零時差管理 by: Kozmetsky, George; Pearlson, Ken; Yeh, Raymond; 柯茲梅斯基 ((Kozmetsky, George)); 皮爾森 ((Pearlson, Ken)); 葉俊億; 葉祖堯 ((Yeh, Raymond)) (Language materials, printed) , [譯]

共榮 : 精通聯盟策略 by: Bamford, James; 杜震華; 班費德 ((Bamford, James)); 葉俊億 (Language materials, printed) , [譯]