Mohamad Galih Adipradana, Emilia Rahajeng Larasati and Dhian Supardam 2026. The Effect of Duty Patterns on Circadian Rhythm among Air Traffic Controllers at Jakarta Air Traffic Service Centre. International Journal Of Humanities Education and Social Sciences (IJHESS) . 5, 4 (Feb. 2026). DOI:https://doi.org/10.55227/ijhess.v5i4.2188.