Inspiring the salesman por Lovelace, Griffin M. 1876-

Selecting the salesman por Lovelace, Griffin M. 1876-

Training the salesman por Lovelace, Griffin M. 1876-

Making the sale por Vardaman, Ben R.

Keeping the salesman fit por Vardaman, Ben R.

Overcoming sales objections por Vardaman, Ben R.

Sales study of customer and goods por Vardaman, Ben R

Sales talk and language por Vardaman, Ben R