1. Allen, S. (2009). No waiting: A simple prescription that could dramatically improve hospitals and American health care. The Boston Globe, 276, C1–C4.
2. Anumala, H., Busetty, S. M., & Bharti, V. (2015). Leveraging IoT device data for emotional health. In International internet of things summit (pp. 487–501). Cham: Springer.
3. Arcidiacono, G., & Pieroni, A. (2018). The revolution lean Six Sigma 4.0. International Journal on Advanced Science, Engineering and Information Technology, 8(1), 141–149.
4. Aronsson, H., Abrahamsson, M., & Spens, K. (2011). Developing lean and agile healthcare supply chains. Supply Chain Management: An International Journal, 16(3), 176–183.
5. Atkinson, P. (2004). Creating and implementing lean strategies. Management Services, 48(2), 18.