Legături[1] https://www.isjdolj.ro/sites/default/files/Nota%20ISJ%20010%20din%2015.01.2019.pdf [2] https://www.isjdolj.ro/sites/default/files/Denumire%20unitate-tabel%20matematematica%202019.xlsx [3] https://www.isjdolj.ro/note-isj [4] https://www.isjdolj.ro/dictionar/matematic%C4%83