Steiner, Sanja, Željko Radačić, and Miroslav Mikula. “The Conceptual Guidelines for Integration of Croatia into the European Air Traffic Management System”. Promet - Traffic&Transportation 10, no. 1-2 (1): 5-10. Accessed November 23, 2024. https://traffic.fpz.hr/index.php/PROMTT/article/view/915.