“Determine the Best and the Worst Solutions of Multi - Objective Linear Fractional Programming Problems With Interval Coefficients”. JOURNAL OF UNIVERSITY OF BABYLON for Pure and Applied Sciences 29, no. 2 (August 1, 2021): 188–209. Accessed June 14, 2026. https://www.journalofbabylon.com/index.php/JUBPAS/article/view/3758.