OSTROUMOV, Ivan; KHARCHENKO, Volodymur; KUZMENKO, Nataliia. An airspace analysis according to area navigation requirements. Aviation, [S. l.], v. 23, n. 2, p. 36–42, 2019. DOI: 10.3846/aviation.2019.10302. Disponível em: https://journals.vilniustech.lt/index.php/Aviation/article/view/10302. Acesso em: 16 may. 2025.