omar, a. (1986). on the transportation problem with mixed constraints. the institute of national planning.
Citazione stile Chigago Style (17a edizione)omar, amani. On the Transportation Problem with Mixed Constraints. cairo: the institute of national planning, 1986.
Citatione MLA (9a ed.)omar, amani. On the Transportation Problem with Mixed Constraints. the institute of national planning, 1986.