İnce, Ferhat, and Ayşe Küçük Yilmaz. “Risk Identification and Gap Analysis for Improvement of Sustainable Aviation Fuel: A Systematic Literature Review”. Aviation 30, no. 1 (March 23, 2026): 84–96. Accessed April 5, 2026. https://journals.vilniustech.lt/index.php/Aviation/article/view/25943.