YARASHOVA, O. R. qizi. Keli daraxtida aniqlangan model uchun asosiy holatlar. Science and Education, [S. l.], v. 4, n. 3, p. 71–81, 2023. Disponível em: https://openscience.uz/index.php/sciedu/article/view/5307. Acesso em: 22 dec. 2024.