Goyal, Babita, Alka Sabharwal, and Lalit Mohan Joshi. “A Markov Model to Quantify the Transitions in the Psychological Health of Young Adults in India During the COVID-19 Pandemic”. Brazilian Journal of Biometrics 44, no. 1 (April 17, 2026): e-44919. Accessed April 18, 2026. http://200.131.250.9/index.php/BBJ/article/view/919.