Gaubert, Nicolas, and Yann Richard. “European Cohesion Policy and Territorial Cooperation With Neighbouring Countries: Towards Deeper Coordination?”. European Journal of Spatial Development 8, no. 4 (October 18, 2010): 24. Accessed May 6, 2025. http://www.oimplantology.org/index.php/EJSD/article/view/196.