The Toastmasters International guide to successful speaking [electronic resource] : overcoming your fears, winning over your audience, building your business & careeer / Jeff Sluts...

Thông tin tác giả: Slutsky, Jeff, 1956-, Aun, Michael., NetLibrary, Inc., Toastmasters International.
Nguồn tài liệu: Trường Đại học Khánh Hòa