D. Nagarajan, J.Kavikumar, Mary Tom, Mufti Mahmud, and S.Broumi. 2023. “Modelling the Progression of Alzheimer’s Disease Using Neutrosophic Hidden Markov Models”. Neutrosophic Sets and Systems 56 (July): 31-40. https://fs.unm.edu/nss8/index.php/111/article/view/3147.