EFFECT OF USING TONGUE TWISTER ON STUDENTS’ VOWEL PRONUNCIATION SKILLS AT UNIVERSITAS MUHAMMADIYAH BULUKUMBA; INDONESIAN VILLAGE LEARNER CONTEXT. EJPBI [Internet]. 30 November 2023 [dikutip 31 Juli 2026];12(2):339-50. Tersedia pada: https://journal.unismuh.ac.id/index.php/exposure/article/view/12762