陳國司

行銷,不只是賣產品 = Become a super salesman : 業務員必備的行銷聖經 by: 陳國司 (Language materials, printed) , [編著]

跟著富業務這樣談生意 = Well experienced salespersons' tips to deal with customers : 富業務打死不說的商場勝利法則 by: 陳國司 (Language materials, printed) , [著]