鄭君平

人類的腦髓 by: 鄭君平; 平光吾一; 王雲五 (Language materials, printed) , [譯]

讓提案過：準確拿下客戶生意、順利向上報告與提升個人價值的關鍵祕技 = How to make a successful business presentation by: 鄭君平 (Language materials, printed) , [著]