Makštutis, Antanas. “Forecasting Threats to the Baltic Sea Region Cooperation Security in the Period of Lithuania Integrating into NATO and the EU”. Journal of Business Economics and Management 5, no. 1 (March 31, 2004): 39-50. Accessed April 20, 2024. https://journals.vilniustech.lt/index.php/JBEM/article/view/8178.