APA-viite (7. p.)

omar, a. (1986). on the transportation problem with mixed constraints. the institute of national planning.

Chicago-viite (17. p.)

omar, amani. On the Transportation Problem with Mixed Constraints. cairo: the institute of national planning, 1986.

MLA-viite (9. p.)

omar, amani. On the Transportation Problem with Mixed Constraints. the institute of national planning, 1986.

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