Yaser Ahmad Alhasan, Suliman Sheen, Raja Abdullah Abdulfatah. Double neutrosophic integrals. Neutrosophic Sets Syst. [Internet]. 2023 Dec. 11 [cited 2024 Jun. 3];58:81-92. Available from: http://fs.unm.edu/nss8/index.php/111/article/view/3533