Шибицька H. M. METHOD OF INVESTIGATION OF VALIDITY OF TEST TASKS. Proceedings of National Aviation University, [S. l.], v. 15, n. 4, p. 158–161, 2021. DOI: 10.18372/2306-1472.15.15340. Disponível em: https://jrnl.nau.edu.ua/index.php/visnik/article/view/15340. Acesso em: 24 dec. 2024.