Zhao, Xiaofeng; Hou, Jianrong; Gilbert, Kenneth C. - In: Management decision : MD 52 (2014) 2, pp. 296-312
. Findings: A significant feature of the approximation method is that it is mathematically tractable and can be implemented in a … demonstrate the usefulness of the queuing models in providing guidance on implementing appointment scheduling and waiting time … approximation requires only the mean and standard deviation or the coefficient of variation of the inter-arrival and service time …