葛史汪納 ((Gschwandtner, Gerhard))

業務拜訪現場直擊 : 有效判讀客戶肢體訊息,具體提昇銷售業績 by: 葛史汪納 ((Gschwandtner, Gerhard)); Gschwandtner, Gerhard; 劉復苓 (Language materials, printed) , [原著]

口袋業務家教 : 25個隨身攜帶的銷售祕訣 by: 葛史汪納 ((Gschwandtner, Gerhard)); Gschwandtner, Gerhard; 戴至中 (Language materials, printed) , [原著]

看超級業務如何成功交易 : 幫你簽下更多訂單的行銷妙招 by: 林宜萱; Gschwandtner, Gerhard; 葛史汪納 ((Gschwandtner, Gerhard)) (Language materials, printed) , [著]