Keys to modern selling / by Ralph G. Engelsman, with Naomi L. Engelsman.
Engelsman, Ralph G.
Keys to modern selling / by Ralph G. Engelsman, with Naomi L. Engelsman. - New York : D. McKay Co. [1955] - 232 p. : ill. ; 21 cm.
55-840
Salesmen and salesmanship.
Keys to modern selling / by Ralph G. Engelsman, with Naomi L. Engelsman. - New York : D. McKay Co. [1955] - 232 p. : ill. ; 21 cm.
55-840
Salesmen and salesmanship.