Gholami, Mehraneh, and Jafar Fathali. “The Inverse Minisum Circle Location Problem”. Yugoslav Journal of Operations Research 32, no. 2 (May 1, 2022): 153–165. Accessed August 25, 2025. https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/695.