RT Conference Proceedings A1 Snežana Đorđević
A1 Jasmina Vesić Vasović
A1 Miroslav Radojičić
A1 Zoran Nešić T1 Improvement of the process of school principals’ professional development in the field of management AD Synthesis 2015 - International Scientific Conference of IT and Business-Related Research YR 2015 NO doi: 10.15308/Synthesis-2015-359-363 SP 359 OP 363