1. Abdulmalek, F. A., & Rajgopal, J. (2007). Analyzing the benefits of lean manufacturing and value stream mapping via simulation: A process sector case study. International Journal of Production Economics, 107(1), 223–236. Retrieved February 28, 2013, from http://linkinghub.elsevier.com/retrieve/pii/S0925527306002258 .
2. Abreu, M. F., Alves, A. C., & Moreira, F. (2016). Comparing lean-green models for eco-efficient production. In Proceedings of 29th International Conference on Efficiency, Cost, Optimisation, Simulation and Environmental Impact on Energy Systems, Portoroz.
3. Abreu, M. F., Alves, A. C., & Moreira, F. (2017). Lean-green models for eco-efficient and sustainable production. Energy. Retrieved from http://linkinghub.elsevier.com/retrieve/pii/S0360544217305819 .
4. Achanga, P., et al. (2006). Critical success factors for lean implementation within SMEs. Journal of Manufacturing Technology Management, 17(4), 460–471.
5. Aguado, S., Alvarez, R., & Domingo, R. (2013). Model of efficient and sustainable improvements in a lean production system through processes of environmental innovation. Journal of Cleaner Production, 47, 141–148. Retrieved from http://linkinghub.elsevier.com/retrieve/pii/S0959652612006427 .