時驊

寶鹼行銷攻略 = = P&G strategies / by: 時驊; 美國寶鹼公司(Procter & Gamble Company) (Language materials, printed)

安麗直銷極速致富 = = Amway's direct selling strategies / by: 時驊; 安麗日用品公司(Amway Corporation) (Language materials, printed)