Role of lean,environmental and social practices to increasing firm's overall performance

The companies face a competition increasingly sharp. in this context,the adoption of lean practices is highly demanded. it aims to accelerate the flow,to reduce non-value added,as part of a continuous improvement process. furthermore,since the 90s,sustainable development is a growing interest. corporate social responsibility (csr) is the firms contribution to sustainable development issues. this approach is for companies to take into account the social and environmental impacts of their activity to adopt the best possible practices and contribute to the betterment of society and the protection of the environment. literature suggests that selected stand-alone practices of lean,environmental and social have a positive impact on firm sustainability performance. our goal in this study is to show the impact of deferent combinations of lean,environmental and social practices on firm financial,environmental,social,and overall performance.