?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Aditya%2C+Yogi&rft.aufirst=Yogi&rft.aulast=Aditya&rft.date=July+2025&rft.title=The+Analysis+of+Students%E2%80%99+Perception+on+Difficulties+in+Mastering+Vocabulary+at+SMA+N+2+Rantau+Utara&rft.inst=Universitas+Negeri+Padang&rft.degree=Bachelor%2FSkripsi