李伯勤

Overview

Works:	1 works in 2 publications in 1 languages

Titles

客戶拒絕就是銷售成功的開始 / by: 李伯勤 (Language materials, printed)

客戶拒絕就是銷售成功的開始 by: 李伯勤; 華藝數位股份有限公司 (Language materials, printed)

Subjects

銷售. 銷售