ROWIENA SEKAR SARI; AMIATUN NURYANA. Analysis of English Speaking Proficiency of Airline Operational Staff at Indonesia Airasia . Atmosfer: Jurnal Pendidikan, Bahasa, Sastra, Seni, Budaya, dan Sosial Humaniora, [S. l.], v. 4, n. 2, p. 307–320, 2026. DOI: 10.59024/atmosfer.v4i2.1730. Disponível em: https://pbsi-upr.id/index.php/atmosfer/article/view/1730. Acesso em: 4 jun. 2026.