Brázová, Věra, and Rafał Wiśniewski. “SYSTEM THINKING IN THE CZECH AND POLISH STRATEGIC DOCUMENTS”. Obrana a strategie 2017, no. 2 (December 4, 2018): 049-066. Accessed April 19, 2024. https://journals.unob.cz/index.php/oas/article/view/1376.