Obermayer, James Managing sales leads : Turning cold prospests into hot customers / James Obermayer. - Mason, OH : Thomson, 2007. - xii, 255 p.: 24 cm. Includes index English ISBN: 13: 978-0-324-20546-6/--- 0-324-20536-5 Subjects--Topical Terms: Sales management LC Class. No.: 658.81 Ob22 c2007