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 (Feb. 2026). DOI:https://doi.org/10.55227/ijhess.v5i4.2226.