NORA UZATUL JANNAH; EMILIA RAHAJENG LARASATI; DHIAN SUPARDAM. The Effect of Refresher Training on Air Traffic Controllers Performance at Jakarta ACC Unit. International Journal Of Humanities Education and Social Sciences (IJHESS) , [S. l.], v. 5, n. 4, 2026. DOI: 10.55227/ijhess.v5i4.2229. Disponível em: https://ijhess.com/index.php/ijhess/article/view/2229. Acesso em: 13 may. 2026.