@Article{616113, author = "Slavoljub HilĨenko", title = "Giotto's Circle : example of methodical procedure for early detection/encouragement of preschools' giftednessfor solvinglogically-functional mathematical problems", year = 2018, volume = , number = 2(24), journal = Edukacja - Technika - Informatyka, pages = s. 81-91, }