Telecommunications Expense Management: How to Audit Your Bills, Reduce Expenses, and Negotiate Favorable Rates
by Michael Brosnan
ISBN 13: 9781578200320
Format: Paperback (304 pages) Publisher: Routledge Published: 01 Jan 2000
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by Michael Brosnan, John Messina
ISBN 13: 9781138412323
Format: Hardcover Publisher: CRC Press Published: 27 Jul 2017