NABIKHONOV NABIKHON YOKUBJON UGLI. PREPARATION FOR MATHEMATICS OLYMPIADS FOR UNIVERSITY STUDENTS. Educational Research in Universal Sciences, [S. l.], v. 3, n. 7, p. 16–28, 2024. Disponível em: http://erus.uz/index.php/er/article/view/6386. Acesso em: 22 nov. 2024.