omar, a. (1986). on the transportation problem with mixed constraints. the institute of national planning.
Chicago (17e ed.) Bronvermeldingomar, amani. On the Transportation Problem with Mixed Constraints. cairo: the institute of national planning, 1986.
MLA (9e ed.) Bronvermeldingomar, amani. On the Transportation Problem with Mixed Constraints. the institute of national planning, 1986.