Puput Cristi, and Faizal Zaini. “PENGARUH JUMLAH TRAFFIC TERHADAP BEBAN KERJA AIR TRAFFIC CONTROLLER (ATC) DI JAKARTA LOWER CONTROL NORTH”. Langit Biru: Jurnal Ilmiah Aviasi, Vol. 12, no. 3, Oct. 2019, pp. 91-100, doi:10.54147/langitbiru.v12i3.183.