Budeviča, Līga, Aija Čerpinska, and Daina Znotiņa. “THE SCHENGEN AREA - THE CHALLENGES OF ITS EXISTENCE AND THE NEED FOR REFORM”. BORDER SECURITY AND MANAGEMENT 3, no. 8 (October 20, 2020): 113–123. Accessed December 22, 2024. https://journals.ru.lv/index.php/BSM/article/view/5364.