“A New Approach to Solving Linear Fractional Programming Problem With Rough Interval Coefficients in the Objective Function”. Ibn AL-Haitham Journal For Pure and Applied Sciences 35, no. 2 (April 20, 2022): 70–83. Accessed May 5, 2024. https://jih.uobaghdad.edu.iq/index.php/j/article/view/2809.