“Addressing Multi-Choice Problem in the Linear Programming Model by Integer Programming and Fuzzy Methods With Practical Application”. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ) 46, no. 1 (October 1, 2021): 393–405. Accessed October 28, 2025. https://jrucs.iq/index.php/JAUCS/article/view/90.