甘普 ((Camp, Jim))

從「不」說起! : 專家私房談判術 by: Camp, Jim; 季晶晶; 甘普 ((Camp, Jim)) (Language materials, printed) , [著]

先說「不」, 贏一步! : 讓工作與生活無往不利的談判術; <<從「不」說起!>>再升級 by: Camp, Jim; 甘普 ((Camp, Jim)); 陳玉娥 (Language materials, printed) , [著]