Faisal Halim Setyadi, Rany Adiliawijaya Putriekapuja and Susi Suhardianti (2026) “Impact of Jakarta FIR Realignment on ATC Workload: Case Study of Upper Pangkalpinang Sector”, International Journal Of Humanities Education and Social Sciences (IJHESS) , 5(4). doi: 10.55227/ijhess.v5i4.2226.