omar, a. (1986). on the transportation problem with mixed constraints. the institute of national planning.
Čikaški stil citiranja (17. izdanje)omar, amani. On the Transportation Problem with Mixed Constraints. cairo: the institute of national planning, 1986.
MLA način citiranja (9. izdanje)omar, amani. On the Transportation Problem with Mixed Constraints. the institute of national planning, 1986.
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