Aft, L. S. (1992). Productivity measurement and improvement (2nd ed.). Prentice Hall.
Chicago Style aipamenaAft, Lawrence S. Productivity Measurement and Improvement. 2nd ed. Englewood Cliffs, NJ: Prentice Hall, 1992.
MLA aipamenaAft, Lawrence S. Productivity Measurement and Improvement. 2nd ed. Prentice Hall, 1992.
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