Makower, M. S., & Williamson, E. (1972). Operational research: Problems, techniques and exercises ([2nd ed.], impression.). English Universities Press Limited.
Cita Chicago Style (17a ed.)Makower, M. S., y Eric Williamson. Operational Research: Problems, Techniques and Exercises. [2nd ed.], impression. London: English Universities Press Limited, 1972.
Cita MLA (9a ed.)Makower, M. S., y Eric Williamson. Operational Research: Problems, Techniques and Exercises. [2nd ed.], impression. English Universities Press Limited, 1972.
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