Буров, О., and О. Царик. “THE USE OF ONTOLOGIES OF EDUCATIONAL PURPOSES FOR THE FORMATION OF EDUCATIONAL AND OPERATIONAL ENVIRONMENT”. Proceedings of National Aviation University (archive) 50, no. 1 (April 20, 2012): 271–275. Accessed April 15, 2026. http://jrnl.nau.edu.ua/index.php/visnik/article/view/145.