IBRAGIMOV, A.; PULATOV, O.; TESHABOYEVA, I. Tengsizliklarni yechishning noodatiy usuli. Science and Education, [S. l.], v. 4, n. 12, p. 19–23, 2024. Disponível em: https://www.openscience.uz/index.php/sciedu/article/view/6446. Acesso em: 12 may. 2025.