VOWEL CLASSIFICATION IN ENGLISH PHONETICS AND THE ROLE OF SCHWA IN ENGLISH PHONETICS. (2025). FAN, TA’LIM, TEXNOLOGIYA VA ISHLAB CHIQARISH INTEGRATSIYASI ASOSIDA RIVOJLANISH ISTIQBOLLARI, 2(1), 162-169. https://universalpublishings.com/index.php/fan/article/view/9313