NERGÅRD, Vegard. Airmanship – a qualitative approach. Aviation, [S. l.], v. 18, n. 3, p. 147–156, 2014. DOI: 10.3846/16487788.2014.969882. Disponível em: https://journals.vilniustech.lt/index.php/Aviation/article/view/2943. Acesso em: 1 jul. 2025.