Torok Robert M. Operational Profitability Systematic approaches for continuous improvement/ Robert M Torok. - 2nd ed. - New York : John Wiley & Sons, 2001. - xvi, 311 p. : Includes index. Includes index. ISBN: 9780471214731 Subjects--Topical Terms: _Management Audit LC Class. No.: HD58.95 / .T67 2001