Sun, W., Wallace Ong, W.-C. and Zhong, Z.-W. 2019. STUDIES OF FLIGHT TRAJECTORY OPTIMIZATION AND THE WORKLOADS OF AIR TRAFFIC CONTROL OFFICERS. Journal of Air Transport Studies. 10, 1 (Jan. 2019), 70-86. DOI:https://doi.org/10.38008/jats.v10i1.17.