USE OF SIMILAR TRIANGLES
ОРИГАМИ И МАТЕМАТИКА , ORIGAMI AND MATHEMATICS
БОРСКИ РУДНИК ОД 1903 – 1923
ВРАЖОГРНАЦ КРАЈЕМ XIX И ПОЧЕТКОМ XX ВЕКА , VRAZOGRNAC AT THE END OF THE 19th AND AT THE BEGINNING OF THE 20th CENTURY
OBRAZOVANJE U ZAJEČARU U 19. I 20. VEKU , EDUCATIONAL SYSTEM IN ZAJECAR IN THE 19th AND 20th CENTURY
OBREDNE IGRE I NARODNI OBIČAJI U ISTOČNOJ SRBIJI , RITUAL DANCES AND NATIONAL CUSTOMS IN THE EAST OF SERBIA
OD TURSKOG SELA DO SRPSKE VAROŠI ZAJEČAR 1833. – 1903. , FROM A TURKISH VILLAGE TO THE SERBIAN SMALL TOWN ZAJECAR 1833. – 1903.
UZROCI ZA IZBIJANJE TIMOČKE BUNE I NJENE POSLEDICE , THE CAUSES OF TIMOK REBELLION OUTBREAK AND ITS CONSEQUENCES