Аутори:
1. Petar Djekic, The School of Higher Technical Professional Education, Niš, Serbia
2. Anica Milošević, The School of Higher Technical Professional Education, Niš, Serbia
3. Sladjana Nedeljković, The School of Higher Technical Professional Education, Niš, Serbia
Датум пријаве сажетка:
02.04.2013.
Конференцијa:
DEMI 2013