Yaser Ahmad Alhasan, Issam Mohammed Abdallah Abdalaziz, Raja Abdullah Abdulfatah, and Qusay Alhassan, “The linear 2-refined neutrosophic differential equations”, Neutrosophic Sets Syst., vol. 75, pp. 50–59, Oct. 2024, Accessed: Jul. 06, 2025. [Online]. Available: https://fs.unm.edu/nss8/index.php/111/article/view/5037