Kotrla, Marián, Kristína Mandalová, and Martin Prčík. “Regional Disparities in Slovakia and The Czech Republic in the Context of Sustainable Growing of Energy Plants”. European Journal of Sustainable Development 6, no. 2 (June 1, 2017): 165. Accessed November 21, 2024. http://ecsdev.org/ojs/index.php/ejsd/article/view/476.