Linkuri[1] https://isj.educv.ro/sites/default/files/COMUNICAT%20EN%20MATEMATICA.pdf [2] https://isj.educv.ro/sites/default/files/SAJT%C3%93K%C3%96ZLEM%C3%89NY.orszagosertekeles%2025.pdf [3] https://isj.educv.ro/categorie/Birou-pres%C4%83/Comunicate-de-pres%C4%83?language=ro