Pamplona, D. A., and C. J. P. Alves. “Mitigating Air Delay: An Analysis of the Collaborative Trajectory Options Program”. Engineering, Technology & Applied Science Research 9, no. 3 (June 8, 2019): 4154–4158. Accessed November 25, 2024. https://etasr.com/index.php/ETASR/article/view/2728.