Beeknoo, Neeraj, and Rodney P. Jones. “A Simple Method to Forecast Future Bed Requirements: A Pragmatic Alternative to Queuing Theory”. Journal of Advances in Medicine and Medical Research 18, no. 4 (October 17, 2016): 1-20. Accessed April 23, 2021. https://journaljammr.com/index.php/JAMMR/article/view/10849.