Yearout, R. D., J. Ballard, J. Lee, C. McKenzie, and D. Parsons. “Service Quality in a Reduced Payroll Environment: Applying Queuing Analysis to Customer Perception Case Study”. Industrial and Systems Engineering Review, vol. 1, no. 1, Apr. 2013, pp. 51-58, doi:10.37266/ISER.2013v1i1.pp51-58.