RT Conference Proceedings A1 Ivana Kostić Kovačević
A1 Duško Lukač
A1 Jelena Gavrilović
A1 Dunja Đurović T1 Obrazovni alati u nastavi matematike AD Sinteza 2014 - Impact of the Internet on Business Activities in Serbia and Worldwide YR 2014 NO doi: 10.15308/sinteza-2014-340-344 SP 340 OP 344