Mirko Dejic is a full professor at Teacher Education Faculty, University of Belgrade, teaching the following courses: Methodology of teaching mathematics, Methodology of developing initial mathematical concepts and Elementary mathematical concepts. He obtained his PhD at University of Novi Sad, department of interdisciplinary field of mathematical and pedagogical science. He is the author of number of books and scientific papers.

Mirko Dejic is a full professor at Teacher Education Faculty, University of Belgrade, teaching the following courses: Methodology of teaching mathematics, Methodology of developing initial mathematical concepts and Elementary mathematical concepts. He obtained his PhD at University of Novi Sad, department of interdisciplinary field of mathematical and pedagogical science. He is the author of number of books and scientific papers.