Yaser Ahmad Alhasan, Asma Mohammed Alshallali, Qusay Alhassan. The double integrals of 2- refined neutrosophic functions and its applications . Neutrosophic Sets Syst. [Internet]. 2025 Apr. 1 [cited 2025 Mar. 9];81:799-811. Available from: https://fs.unm.edu/nss8/index.php/111/article/view/5956