Ihsan H. Zainel, and Huda E. Khalid. “MADM for Assessment the Nurses Knowledge and Their Attitudes During Covid-19 Spread in Mosul City in the Perspective of Neutrosophic Environment”. Neutrosophic Sets and Systems, vol. 55, May 2023, pp. 90-117, https://fs.unm.edu/nss8/index.php/111/article/view/3181.