?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=DARMAYANTI&rft.aufirst=NISRINA&rft.au=DARMAYANTI%2C+NISRINA&rft.date=2024&rft.degree=S1&rft.inst=UNIVERSITAS+SULTAN+AGENG+TIRTAYASA&rft.tpages=121&rft.title=AN+ANALYSIS+OF+STUDENTS+SELF+EFFICACY+IN+ENGLISH+SPEAKING+SKILLS+(A+Descriptive+Study+at+SMP+Insan+Pratama+Boarding+School+in+Kabupaten+Tangerang)