Não informado. (1959). Bulletin of the Operations Research Society of America. Operations Research Society of America.
Chicago-viite (17. p.)Não informado. Bulletin of the Operations Research Society of America. Baltimore, Md: Operations Research Society of America, 1959.
MLA-viite (8. p.)Não informado. Bulletin of the Operations Research Society of America. Operations Research Society of America, 1959.
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