MULTIPLIKATIV GETEROSKEDATLIK. GETEROSKEDATLIKNI TEKSHIRISH. Ustozlar uchun, [S. l.], v. 92, n. 1, p. 285–293, 2026. Disponível em: https://journalss.org/index.php/ust/article/view/22660. Acesso em: 5 apr. 2026.