Christensen, N.C. The magic power of command selling: how to take charge of the sale/ N.C. Christensen - Bombay: D.B. Taraporevala, 1977 - 204 p.; 22 cm. Includes index ISBN: Rs. 25.00 Subjects--Topical Terms: Sales personnelSales executivesSales management Dewey Class. No.: 658.85