Yaser Ahmad Alhasan, Asma Mohammed Alshallali, and Qusay Alhassan, “The double integrals of 2- refined neutrosophic functions and its applications ”, Neutrosophic Sets Syst., vol. 81, pp. 799–811, Apr. 2025, Accessed: Mar. 09, 2025. [Online]. Available: https://fs.unm.edu/nss8/index.php/111/article/view/5956