NUR’HASANAH, Ilma Aprianti; RAMADHAN, Hilman Nuha; AMALIA, Yiyin Ema; KOHARU, Koharu; SUWANDI, Galih Restu Fardian. RESONANCE AND FREQUENCY CHARACTERISTICS OF VOWELS: A COMPARATIVE ACOUSTIC STUDY OF SUNDANESE AND NON-SUNDANESE SPEAKERS. JOURNAL ONLINE OF PHYSICS, [S. l.], v. 11, n. 2, p. 1–8, 2026. DOI: 10.22437/jop.v11i2.50631. Disponível em: https://www.online-journal.unja.ac.id/jop/article/view/50631. Acesso em: 8 may. 2026.