DANI CHANDRA YUDHO PRANOTO; RUFI'I; SABARIAH; BANDONO, Adi; SUSANTO, Fajar. Challenging Tasks, Motivated Cadets: Structural Validation of Task Challenge in ESP Reading for Aviation. Langit Biru: Jurnal Ilmiah Aviasi, indonesia, v. 19, n. 1, p. 41–53, 2026. DOI: 10.54147/langitbiru.v19i1.1575. Disponível em: https://jurnal.overthinkingku.com/index.php/jurnal-ilmiah-aviasi/article/view/1575. Acesso em: 7 may. 2026.