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Author : "Ernest, John W."
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**Salesmanship fundamentals
Author(s) : Ernest, John W. - I. DaVall, George M. -
Collection Location : Perpustakaan Pusat
Selling principles & practices
Author(s) : Ernest, John W. - I. Ashmun, Richard D. -
Collection Location : Perpustakaan Pusat

Universitas Negeri Surabaya