PREPARING THE LEARNERS TO THE OLIMPIADS BY THE WAY OF LOGICAL THOUGHT IN STUDY GROUPS. Scientific journal of the Fergana State University, [S. l.], n. 6, p. 136–140, 2023. Disponível em: https://journal.fdu.uz/index.php/sjfsu/article/view/1101. Acesso em: 10 jan. 2026.