Umasangadji SA, Sutaryo S, Aboe RM. STUDENTS OBSTACLES IN SPEAKING SKILLS AT THE ENGLISH LANGUAGE EDUCATION STUDY PROGRAM OF MUHAMMADIYAH UNIVERSITY. j.bilingual [Internet]. 21 Oktober 2023 [dikutip 4 Juni 2026];13(2):135-40. Tersedia pada: https://ejournal.unkhair.ac.id/index.php/bilingual/article/view/7497