Етикет: calculus

Radoslav Božić 1), Milenković Aleksandar 2), Mitrović Slađana 3) 1)Educons University, Faculty of Teacher Training, Novi Sad (Serbia) 2)University of ...

Aleksandar Milenković1), Nemanja Momčilović2) 1) University of Kragujevac, Faculty of Science, Kragujevac (Serbia) 2) First Grammar School Kragujevac, Kragujevac (Serbia) ...

Valentina Kostic1), Tanja Sekulic2) 1)Academy of Applied Technical and Preschool Studies Nis - Department Pirot (Serbia) 2)Technical College of Applied ...