HISOBLASHGA VA ISBOTLASHGA DOIR MASALALAR YECHISH. Ustozlar uchun, [S. l.], v. 98, n. 1, p. 121–128, 2026. Disponível em: https://journalss.org/index.php/ust/article/view/34192. Acesso em: 21 jul. 2026.