Clara Sinta Gundani, Nunuk Praptiningsih, Gilang Trio Putra. Analysis of Factors Influencing ICAO English Language Proficiency of Air Traffic Controllers at Jakarta ATSC. IJHESS [Internet]. 2026 Apr. 9 [cited 2026 May 13];5(5). Available from: https://ijhess.com/index.php/ijhess/article/view/2247