Ð•Ð¼ÐµÐ»ÑŒÑ‡ÐµÐ½ÐºÐ¾Ð², Ð., & ÐœÐ°ÐºÐ°Ñ€Ð¾Ð², Ð. 2016 Nov 25. ÐžÐ”Ð˜Ð Ð¡ÐŸÐžÐ¡ÐžÐ‘ ÐŸÐ Ð•Ð”Ð¡Ð¢ÐÐ’Ð›Ð•ÐÐ˜Ð¯ ÐžÐŸÐ•Ð ÐÐ¦Ð˜ÐžÐÐÐ«Ð¥ Ð”ÐÐÐÐ«Ð¥ Ð’ Ð Ð•Ð›Ð¯Ð¦Ð˜ÐžÐÐÐžÐ™ ÐœÐžÐ”Ð•Ð›Ð˜. Modern Information Technologies and IT-Education. [Online] 12:2