Source:
Bulletin of the 'Carol I' National Defence University / Buletinul Universitatii Nationale de Aparare 'Carol I'; 2020, Vol. 7 Issue 2, p40-46, 7p
Source:
Bulletin of the 'Carol I' National Defence University / Buletinul Universitatii Nationale de Aparare 'Carol I'; iul-sep2019, Vol. 6 Issue 3, p26-30, 5p