MUHAMMADJONOVA IRODA; XAYDAROVA NIGORA TUXTASUNOVNA. THE SYSTEMIC VARIABILITY OF ENGLISH DIPHTHONGS: A THEORETICAL AND PEDAGOGICAL REAPPRAISAL. International Multidisciplinary Journal for Research & Development, [S. l.], v. 12, n. 11, p. 507–510, 2025. Disponível em: https://ijmrd.in/index.php/imjrd/article/view/4082. Acesso em: 13 jun. 2026.