TYSHCHENKO , Maksym; SHAPRAN , Olexander; SUDNIKOV , Yevgen; MAKHNO , Yevgenii; GAWLICZEK, Piotr Jerzy. Distance learning system of the professional military education institution: problematic issues of formation. Civitas et Lex, [S. l.], v. 37, n. 1, p. 17–25, 2023. DOI: 10.31648/cetl.8531. Disponível em: https://czasopisma.uwm.edu.pl/index.php/cel/article/view/8531. Acesso em: 15 lis. 2026.