閆燕

超強意志力 : 意志力決定一切成敗 by: 閆燕; 華藝數位股份有限公司 (Electronic resources) , [著]

工作力：沒有工作力.就沒有競爭力 = The power of work there's no competitiveness without the power of work by: 閆燕 (Language materials, printed) , [著]

執行力 = The power of enforcement : 沒有執行力就沒有成功力; there's no success power without the execution power by: 閆燕; 華藝數位股份有限公司 (Electronic resources) , [著]