余立信

Overview

Works:	2 works in 2 publications in 1 languages

Titles

吸引顧客的推銷談判技巧 by: 余立信; 煶上肇 (Language materials, printed) , [譯]

魅力行銷 : 抓住客戶的行銷談判技巧 by: 余立信; 坂上肇 (Language materials, printed) , [譯]

Subjects

口才銷售