Farman, Muhammad, Aqeel Ahmad, M. Umer Saleem, and Amina Hafeez. “A Mathematical Analysis and Modelling of Hepatitis B Model With Non-Integer Time Fractional Derivative”. Communications in Mathematics and Applications 10, no. 3 (September 30, 2019): 571–584. Accessed November 22, 2024. https://rgnpublications.com/journals/index.php/cma/article/view/1154.