Test book of salesmanship
Russel, Fredrick A.
Test book of salesmanship - 6th ed. - New York McGraw Hill bok company - ix, 564p.
Salesman ship
658.85 / RUS
Test book of salesmanship - 6th ed. - New York McGraw Hill bok company - ix, 564p.
Salesman ship
658.85 / RUS