N. Stanković and D. Dabić, “Serbia’s foreign policy approach between strategic indeterminacy and the operationalization of the ‘four pillars’ doctrine”, Međ.Problemi, vol. 78, no. 1, pp. 165–222, Apr. 2026, Accessed: Jul. 12, 2026. [Online]. Available: https://asistent.ceon.rs/index.php/MEDJP/article/view/65927