Παραπομπή APA

Tulkens, H. (1989). Contributions to operation research and economics: The twentieth anniversary of CORE. Massachusetts: Massachusetts Institute of Technology.

Παραπομπή Chicago Style

Tulkens, Henry. Contributions to Operation Research and Economics: The Twentieth Anniversary of CORE. Massachusetts: Massachusetts Institute of Technology, 1989.

Παραπομπή MLA

Tulkens, Henry. Contributions to Operation Research and Economics: The Twentieth Anniversary of CORE. Massachusetts: Massachusetts Institute of Technology, 1989.

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