Ingram, Thomas N. Sales management: analysis and decision making Thomas N. Ingram, Raymond W. LaForge, Ramon A. Avila. - 9th edition. - New York Routledge 2015 - 377 p. 26 cm. ISBN: 9780765644510 (pbk. : alk. paper) LCCN: 2014945731 Subjects--Topical Terms: Sales management Dewey Class. No.: 658.81