SULIMAN SHEEN; QUSAY ALHASSAN; RAJA ABDULLAH ABDULFATAH; YASER AHMAD ALHASAN. The improper 2-refined neutrosophic integrals . Neutrosophic Sets and Systems, [S. l.], v. 90, p. 120–129, 2025. Disponível em: https://fs.unm.edu/nss8/index.php/111/article/view/6762.. Acesso em: 19 jan. 2026.