Peptenatu, Daniel, Radu Pintilii, Cristian Draghici, and Alina Peptenatu. 2012. “The Efficiency of Polycentric Development Strategies in the Context of Economic Crisis. Case Study - the Development of Southwest Oltenia Region - Romania”. Bulletin of Geography. Socio-Economic Series, no. 17 (June):117-25. https://doi.org/10.1515/v10089-012-0012-6.