Čiegis, Remigijus, Dainora Grundey, and Dalia Štreimikiene. “Economic Aspects of Cities Sustainable Development Strategic Planning”. Technological and Economic Development of Economy 11, no. 4 (December 31, 2005): 260-269. Accessed July 21, 2024. https://journals.vilniustech.lt/index.php/TEDE/article/view/8543.