Inspiring the salesman по Lovelace, Griffin M. 1876-

Selecting the salesman по Lovelace, Griffin M. 1876-

Training the salesman по Lovelace, Griffin M. 1876-

Making the sale по Vardaman, Ben R.

Keeping the salesman fit по Vardaman, Ben R.

Overcoming sales objections по Vardaman, Ben R.

Sales study of customer and goods по Vardaman, Ben R

Sales talk and language по Vardaman, Ben R