蘇萬納(Gschwandtner, Gerhard)

看超級業務如何成功交易：幫你簽下更多訂單的行銷妙招 [NT 59711] by: 蘇萬納(Gschwandtner, Gerhard) ([NT 1579] Language materials, printed) , [著]

頂尖人物：美國當代名人訪談錄 [NT 59711] by: 修身; 韓應寧; 蘇萬納(Gschwandtner, Gerhard) ([NT 1579] Language materials, printed) , [著]

聽頂尖業務說故事：一起分享成功銷售的真實經歷 [NT 59711] by: 褚耐安; 蘇萬納(Gschwandtner, Gerhard) ([NT 1579] Language materials, printed) , [著]

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 [NT 59711] by: 蘇萬納(Gschwandtner, Gerhard); 劉復苓 ([NT 1579] Language materials, printed) , [著]

口袋業務家教：25個隨身攜帶的銷售祕訣 [NT 59711] by: 戴至中; 蘇萬納(Gschwandtner, Gerhard) ([NT 1579] Language materials, printed) , [著]