Operasionele navorsing: Verskil tussen weergawes
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== Eksterne skakels ==
* [http://www.informs.org/Resources/ ''INFORMS OR/MS Resource Collection''] {{Webarchive|url=https://web.archive.org/web/20100106161451/http://www2.informs.org/Resources/ |date= 6 Januarie 2010 }}
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