Nurtina, Nurtina, and Johanes Sapri. “APPLICATION OF ROLE PLAYING LEARNING METHODS TO IMPROVE SELF-CONFIDENCE AND SPEAKING SKILLS (Study in English Lessons for Class XI SMAN 1 Students West Merapi)”. Diadik: Jurnal Ilmiah Teknologi Pendidikan 9, no. 2 (August 26, 2021): 114–121. Accessed May 10, 2024. https://ejournal.unib.ac.id/diadik/article/view/17450.