МЕЛКУМЯН, В. Г.; СЕМЕНОВ, А. А. Some problems of expert estimations of approbation results of civil aviation normative and guiding documentation. Proceedings of National Aviation University, [S. l.], v. 2, n. 1, p. 255–259, 1999. DOI: 10.18372/2306-1472.2.9000. Disponível em: https://jrnl.nau.edu.ua/index.php/visnik/article/view/9000. Acesso em: 3 may. 2024.